using System;

public class Program

{

    public static void Main()

    {

        double n1; 

        double n2; 

        Console.WriteLine("Math caculator"); 

        Console.WriteLine("Number 1: "); 

        n1 = Convert.ToDouble( Console.ReadLine()); 

        Console.WriteLine("Number 2: "); 

        n2 = Convert.ToDouble( Console.ReadLine()); 

        double sum = n1 + n2;

        Console.WriteLine("Sum: " + sum); 

        double difference = n1 - n2;

        Console.WriteLine("Difference: " + difference); 

​

        double product = n1 * n2;

        Console.WriteLine("Product: " + product); 

        double quoitent = n1 / n2;

        Console.WriteLine("Quoitent: " + quoitent);

        string urOpinion;

        Console.WriteLine("how do YOU feel about that");

        urOpinion = Console.ReadLine(); 

        Console.WriteLine("I also feel  " + urOpinion);

​

    }

}