ChangeTiles - Chapter 2.1

//Task 003, Chapter 2.1
using System;

public class ChangeTiles
{
    static void Main()
    {
        int n = int.Parse(Console.ReadLine());
        double width = double.Parse(Console.ReadLine());
        double len = double.Parse(Console.ReadLine());
        int benchWidth = int.Parse(Console.ReadLine());
        int benchLen = int.Parse(Console.ReadLine());

        double area = n * n - benchLen * benchWidth;
        double tileArea = width * len;
        double neededTiles = area / tileArea;
        double neededTime = neededTiles * 0.2;

        Console.WriteLine(neededTiles);
        Console.WriteLine(neededTime);
    }
}