A question regarding Halloween candy exercise, what's wrong with my code?

Question

What are the three hidden test cases?
Edited the code, now it works
https://code.sololearn.com/cOqr4xp32dcL/?ref=app

Answer 1

Output should be rounded to the nearest integer.
Try Math.Ceiling() method

Answer 2

Thanks, that worked.

Answer 3

Indentation is also "what is wrong with my code"

Good habits are important.