c# release the simple code...begining...

Question

hello im genjiro from indonesia...

 

im talking the mehtod for c# console...

the my code building this..

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


namespace ConsoleApplication1
{
class Program
{

static void Main(string[] args)
{
Boolean loop = true;
do{
try
{
Console.WriteLine("Masukkan Nilai 1 :");
int x = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Masukkan Nilai 2 :");
int z = Convert.ToInt32(Console.ReadLine());
int hasil = x * z;
Console.WriteLine("\nhasil {0}*{1}={2}",x,z,hasil);

}
catch (DivideByZeroException divideZeroExp)
{
Console.WriteLine("Notice" + divideZeroExp.Message);
Console.WriteLine("Operasi Gagal Coba lagi...");
}
catch (FormatException formExp)
{
Console.WriteLine("Notice" + formExp.Message);
Console.WriteLine("Format Masukan salah Coba lagi....");
}
}
while(loop);


}


}
}

ok this my question is..

how to change the operation to multi function operation likes this div,mul,add dll...

ok thanks im wait  the answer...

Jiro...