public int Subtract(NumberRequest subtractRequest)
 {
     return(subtractRequest.NumberTwo = subtractRequest.NumberTwo);
 }
 public double Divide(NumberRequest divideRequest)
 {
     return((double)divideRequest.NumberTwo / divideRequest.NumberOne);
 }
 public int Multiply(NumberRequest multiplyRequest)
 {
     return(multiplyRequest.NumberOne * multiplyRequest.NumberTwo);
 }
 public int Add(NumberRequest addRequest)
 {
     return(addRequest.NumberOne + addRequest.NumberTwo);
 }