C# - A Simple Calculator

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)
        {
            Console.WriteLine("Enter 1st Number: ");
            int number1 = Convert.ToInt32(Console.ReadLine());
            Console.WriteLine("Enter 2nd Number: ");
            int number2 = Convert.ToInt32(Console.ReadLine());


            Console.WriteLine("Addition :" + Add(number1, number2));
            Console.WriteLine("Subtraction :" + Subtract(number1, number2));
            Console.WriteLine("Multiplication :" + Multiply(number1, number2));
            Console.WriteLine("Divide :" + Divide(number1, number2));
            Console.ReadKey();
        }

        static int Add(int a, int b)
        {
            int number = a + b;
            return number;
        }

        static int Subtract(int a, int b)
        {
            int number = a - b;
            return number;
        }

        static int Multiply(int a, int b)
        {
            int number = a * b;
            return number;
        }

        static int Divide(int a, int b)
        {
            int number = a / b;
            return number;
        }


    }
}