What will be the output of the following C# code snippet?

class maths 
 {
     int fact(int n) 
     {
         int result;
         if (n == 1)
         return 1;
         result = fact(n - 1) * n;
         return result;
     }
 } 
 class Output 
 {
     static void main(String args[]) 
     {
         maths obj = new maths() ;
         Console.WriteLine(obj.fact(4)*obj.fact(2));
     }
 }

A. 64

B. 60

C. 120

D. 48

Answer: Option D