Simple Operations School Supplies

import java.util.Scanner;

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

        double pencilPrice = 5.80;
        double markerPrice = 7.20;
        double litre = 1.20;

        int pencilPackages = Integer.parseInt(scanner.nextLine());
        int markerPackages = Integer.parseInt(scanner.nextLine());
        double litreClean = Double.parseDouble(scanner.nextLine());
        int discount = Integer.parseInt(scanner.nextLine());

        double pencilPr = pencilPrice * pencilPackages;
        double markerM = markerPackages * markerPrice;
        double clean = litre * litreClean;

        double allPrice = (pencilPr + markerM + clean);
        double discount1 = allPrice - ((allPrice * discount) / 100);

        System.out.printf("%.3f",discount1);

    }
}