using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.IO;

using System.Threading.Tasks;

​

namespace ConsoleApplication1

{

    class Program

    {

        static void Main(string[] args)

        {

            String path = @"D:\chetvurtaZad.txt";

            int a = 2;

            int b = 4;

            int result = a * b;

            using (StreamWriter writer = new StreamWriter(path))

            {

                writer.Write("Умножението е {0}", result);

​

​

                Console.WriteLine("Saved");

            }

            Console.ReadKey();

        }

    }

}

​