Loading collection data...
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.
Read the description again, 1 eagle hasn't the same worth as 1 troll. Your code only computes units where all have the same value.
Because each unit has its own worth, and your code is not using that data at all.