Поправка на плочки

import java.util.Scanner;

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

        int n = Integer.parseInt(scanner.nextLine());
        double w = Double.parseDouble(scanner.nextLine());
        double l = Double.parseDouble(scanner.nextLine());
        int m = Integer.parseInt(scanner.nextLine());
        int o = Integer.parseInt(scanner.nextLine());

        int area = n * n;
        int benchArea = m * o;

        int totalArea = area - benchArea;

        double plateArea = w * l;

        double neededPlates = totalArea / plateArea;

        double time = neededPlates * 0.2;

        System.out.printf("%.2f%n%.2f", neededPlates, time);

    }
}