Foil for Me

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

namespace Foil
{
    class Program
    {
        static int first, outside, inside, last;
        static void Main(string[] args)
        {
            while(true)
            {
                getInput();
                int middle = outside + inside;
                Console.WriteLine("\nFoiled: " + first + " " + middle + " " + last);
            }
        }

        static void getInput()
        {
            int set1val1, set1val2, set2val1, set2val2;
            Console.Write("\nset1val1: ");
            set1val1 = Convert.ToInt32(Console.ReadLine());
            Console.Write("\nset1val2: ");
            set1val2 = Convert.ToInt32(Console.ReadLine());
            Console.Write("\nset2val1: ");
            set2val1 = Convert.ToInt32(Console.ReadLine());
            Console.Write("\nset2val2: ");
            set2val2 = Convert.ToInt32(Console.ReadLine());
            calculate(set1val1, set1val2, set2val1, set2val2);
        }

        static void calculate(int s1v1, int s1v2, int s2v1, int s2v2)
        {
            first = s1v1 * s2v1;
            outside = s1v1 * s2v2;
            inside = s1v2 * s2v1;
            last = s1v2 * s2v2;
        }
    }
}