C# percentage is 0

Question

I have a problem when I try to solve simple equation. My equation is find the percentage of student marks. This is my code:

using System;
using System.Collection         


        

Answer 1

The type of a result depends on the variables that are used.

Any mathematical operation between 2 ints will return an int.
You need to cast one of them to a decimal before doing the mathematical operation:

 res = (oneee / (decimal)two) * 10;