x2 - (a + b) + ab

Not an issue

The test description is a little vague :)

The title is Die Rolling and die is repeated in the description, yoo.

I cannot submit my solution
Sorry, that's not quite what we were expecting! - Expected: [9801,970299,96059601,9509900499,941480149401,93206534790699,9227446944279200,913517247483640800,90438207500880450000,8.953382542587164e+21,8.863848717161292e+23,8.77521022998968e+25,8.687458127689782e+27,8.600583546412884e+29,8.514577710948754e+31,8.429431933839267e+33,8.345137614500874e+35,8.261686238355865e+37,8.179069375972306e+39,8.097278682212584e+41,8.016305895390458e+43,7.936142836436554e+45,7.856781408072188e+47,7.778213593991466e+49,7.700431458051552e+51,7.623427143471036e+53,7.547192872036325e+55,7.471720943315962e+57,7.397003733882802e+59,7.323033696543975e+61,7.249803359578534e+63,7.177305325982749e+65,7.105532272722922e+67,7.034476949995693e+69,6.964132180495736e+71,6.894490858690778e+73,6.825545950103871e+75,6.757290490602832e+77,6.689717585696803e+79,6.622820409839835e+81,6.556592205741437e+83,6.491026283684022e+85,6.426116020847182e+87,6.36185486063871e+89,6.298236312032322e+91,6.235253948911999e+93,6.172901409422879e+95,6.11117239532865e+97,6.050060671375364e+99,5.989560064661611e+101,5.9296644640149954e+103,5.870367819374846e+105,5.811664141181097e+107,5.7535474997692865e+109,5.696012024771593e+111,5.639051904523877e+113,5.5826613854786385e+115,5.526834771623853e+117,5.471566423907614e+119,5.416850759668538e+121,5.362682252071853e+123,5.309055429551134e+125,5.255964875255623e+127,5.203405226503067e+129,5.151371174238036e+131,5.099857462495656e+133,5.048858887870699e+135,4.998370298991992e+137,4.948386596002071e+139,4.8989027300420505e+141,4.84991370274163e+143,4.8014145657142136e+145,4.753400420057072e+147,4.705866415856501e+149,4.658807751697936e+151,4.6122196741809564e+153,4.566097477439147e+155,4.520436502664755e+157,4.4752321376381076e+159,4.4304798162617267e+161,4.3861750180991093e+163,4.342313267918118e+165,4.298890135238937e+167,4.2559012338865475e+169,4.213342221547682e+171,4.1712087993322055e+173,4.129496711338883e+175,4.088201744225494e+177,4.047319726783239e+179,4.006846529515407e+181,3.9667780642202524e+183,3.92711028357805e+185,3.887839180742269e+187,3.848960788934846e+189,3.810471181045498e+191,3.772366469235042e+193,3.734642804542692e+195,3.6972963764972654e+197,3.6603234127322926e+199], instead got: [9801,970299,96059601,9509900499,941480149401,93206534790699,9227446944279200,913517247483640800,90438207500880450000,8.953382542587164e+21,8.863848717161292e+23,8.77521022998968e+25,8.687458127689782e+27,8.600583546412884e+29,8.514577710948754e+31,8.429431933839267e+33,8.345137614500874e+35,8.261686238355865e+37,8.179069375972306e+39,8.097278682212584e+41,8.016305895390458e+43,7.936142836436554e+45,7.856781408072188e+47,7.778213593991465e+49,7.70043145805155e+51,7.623427143471035e+53,7.547192872036325e+55,7.471720943315962e+57,7.397003733882802e+59,7.323033696543973e+61,7.249803359578533e+63,7.177305325982748e+65,7.10553227272292e+67,7.03447694999569e+69,6.964132180495735e+71,6.894490858690777e+73,6.825545950103869e+75,6.757290490602831e+77,6.689717585696802e+79,6.622820409839834e+81,6.556592205741436e+83,6.491026283684022e+85,6.42611602084718e+87,6.361854860638708e+89,6.2982363120323215e+91,6.2352539489119985e+93,6.172901409422878e+95,6.111172395328649e+97,6.050060671375362e+99,5.989560064661607e+101,5.929664464014992e+103,5.870367819374843e+105,5.8116641411810945e+107,5.753547499769283e+109,5.69601202477159e+111,5.639051904523873e+113,5.582661385478635e+115,5.526834771623849e+117,5.471566423907611e+119,5.416850759668535e+121,5.362682252071849e+123,5.3090554295511306e+125,5.255964875255618e+127,5.2034052265030625e+129,5.151371174238032e+131,5.099857462495652e+133,5.048858887870695e+135,4.998370298991988e+137,4.948386596002067e+139,4.898902730042048e+141,4.849913702741626e+143,4.8014145657142097e+145,4.753400420057068e+147,4.705866415856498e+149,4.6588077516979325e+151,4.6122196741809535e+153,4.566097477439144e+155,4.5204365026647525e+157,4.4752321376381044e+159,4.4304798162617227e+161,4.3861750180991055e+163,4.342313267918115e+165,4.2988901352389337e+167,4.255901233886544e+169,4.213342221547679e+171,4.1712087993322017e+173,4.1294967113388805e+175,4.088201744225491e+177,4.0473197267832355e+179,4.006846529515403e+181,3.9667780642202496e+183,3.9271102835780473e+185,3.8878391807422666e+187,3.848960788934843e+189,3.810471181045495e+191,3.77236646923504e+193,3.7346428045426895e+195,3.697296376497262e+197,3.66032341273229e+199]

Same here