// C# Extension Method

// Doc: https://csharp-extension.com/en/method/1002405/int32-bigmul

​

// @nuget: Z.ExtensionMethods

​

using System;

public class Program

{

    public static void Main()

    {

        int int1 = Int32.MaxValue;

        int int2 = Int32.MaxValue;

        long longResult;

​

        // C# Extension Method: Int32 - BigMul

        longResult = int1.BigMul(int2);

        Console.WriteLine("Calculate the product of two Int32 values:");

        Console.WriteLine("{0} * {1} = {2}", int1, int2, longResult);

    }

}