[DotNetDevelopment] How To Perform Addition in Generic

[Dabbu]

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace GenericAddition
{
    class Program
    {
        static void Main(string[] args)
        {

        }
    }
    class Calculator<T>
    {
        T num1, num2, res;
        public T Num1
        {
            set
            {
                this.num1 = value;
            }
        }
        public T Num2
        {
            set
            {
                this.num2 = value;
            }
        }
        public T Add()
        {
            this.res = this.Num1 + this.Num2;
            return this.res;
        }
      /*  public static Calculator<T> operator +(Calculator<T> a,
Calculator<T> b)
        {
            Calculator<T> x = new Calculator<T>();
            x.res = a.Num1 + a.Num2;
            return x;
        }*/
    }
}


Sir this is a piece of code in which i want to perform the addition
but not possible to perform.

the error is can not perform the addition on T type variable

i have a hint that the soln is to overload the binary operator + but i
am not able to perform it....

Please Solve it......

Thanks.............