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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
You are not supposed to convert it to number but manually implement multiplication algorithm on arbitray sized integers stored as string.
https://en.wikipedia.org/wiki/Multiplication_algorithm
watch the name of the kata: you're not supposed to use numbers.
Just an ignored variable https://stackoverflow.com/questions/27637013/what-is-the-meaning-of-an-underscore-in-javascript-function-parameter
console.log
the inputBecause your solution is wrong. Read the error message.
just maths.
Why do you say it's wrong?
regardless of the circumstances, you must always use the spoiler tag when posting code