Simple Operation and Calculation 2D Rectangle Area

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

        double x1 = Double.parseDouble(scanner.nextLine());
        double y1 = Double.parseDouble(scanner.nextLine());
        double x2 = Double.parseDouble(scanner.nextLine());
        double y2 = Double.parseDouble(scanner.nextLine());

           double lenght = Math.abs(x1 - x2);
           double width = Math.abs(y1 - y2);
           double area = lenght * width;
           double perimeter = 2 * (lenght + width);

           System.out.printf("%.2f%n",area);
           System.out.printf("%.2f",perimeter);
    }
}