PB-BG - Oct 2018 -10. Birthday (not included in final score)

using System;

namespace Birthday
{
    class Program
    {
        static void Main(string[] args)
        {
            int lenght = int.Parse(Console.ReadLine());
            int width = int.Parse(Console.ReadLine());
            int high = int.Parse(Console.ReadLine());
            double percent = double.Parse(Console.ReadLine());

            int vol = lenght * width * high; // sm3
            double volumeL = vol * 0.001; // L
            percent = percent * 0.01;

            double realVol = volumeL * (1 - percent);

            Console.WriteLine("{0:F3}", realVol);
        }
    }
}