using System;

​

class Program

{

    static double CalculateArea(double length, double width)

    {

        return length * width;

    }

​

    static void Main(string[] args)

    {

        Console.Write("Please enter the length of the rectangle: ");

        double length = double.Parse(Console.ReadLine());

​

        Console.Write("Please enter the width of the rectangle: ");

        double width = double.Parse(Console.ReadLine());

​

        double area = CalculateArea(length, width);

​

        Console.WriteLine($"The area of the rectangle is: {area}");

    }

}

​