09. Fish Tank

import java.util.Scanner;

public class FishTank {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int width = Integer.parseInt(scanner.nextLine());
        int height = Integer.parseInt(scanner.nextLine());
        int length = Integer.parseInt(scanner.nextLine());
        double percent = Double.parseDouble(scanner.nextLine());

        int volumeInSm = width * height * length;
        // 10sm = 1dm        ->    1dm3 = 10sm ^3 (10sm * 10sm * 10sm = 1000sm)
        // 1dm3 = 1000sm3

        double volumeInLiters = volumeInSm / 1000.0;
        double volumeWithoutPercent = volumeInLiters - (volumeInLiters * percent/100);

        System.out.println(volumeWithoutPercent);
    }
}