ProgBasics02Simple-Operations-P10Birthday

import java.util.Scanner;

public class P10Birthday {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in );

        int a = Integer.parseInt(scanner.nextLine());
        int b = Integer.parseInt(scanner.nextLine());
        int h = Integer.parseInt(scanner.nextLine());
        double parcentages = Double.parseDouble(scanner.nextLine());

        int area = a * b * h;

        double totalLitres = area * 0.001;
        double result = totalLitres - (totalLitres * parcentages /100 );


        System.out.printf("%.3f", result);


    }
}