what is the problem here

Question

https://code.sololearn.com/ceoLW0SooslD/?ref=app

Answer 1

// at line 9 meant to be a regex expression.

if you're looking for single line comment ruby use # not //
if you're intended to use integer division like python, ruby have it by default. as long as the neither of diviend nor divisor are float

Answer 2

thanks got it