public static void Main()
double firstNumber, secondNumber, thirdNumber, fourthNumber;
string userName; Console.WriteLine("Enter your name:");
userName = Console.ReadLine();
Console.WriteLine("Welcome " +userName +"!");
Console.WriteLine("Now give me a number:");
firstNumber = Convert.ToDouble(Console.ReadLine());
Console.WriteLine("Now give me another number:");
secondNumber = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Now give me a third number:");
thirdNumber = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Now give me a fifth number. JK. Threw you off didn't I? Its the fourth:");
fourthNumber = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("The product of {"+firstNumber+"} and {"+secondNumber+ "} and {"+thirdNumber+ "} and {"+fourthNumber+"} + is "(firstNumber * secondNumber * thirdNumber * fourthNumber));