Week 2 - out keyword

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

namespace ConsoleApplication2
{
    class Program
    {
        static void Main(string[] args)
        {
            int count = 0;
            double D = 0;
            int result = cal(5, 2, out count, out D);

            Console.WriteLine(result);
            Console.WriteLine(count);
            Console.WriteLine(D);
            Console.ReadLine();

        }

        static int cal(int a, int b)
        {
            return a * b;
        }

        static int cal(int a, int b, out int sum, out double divD)
        {
            sum = a + b;
            divD = a / b;
            return a * b;
        }
    }
}