Intro Java Painting Complete

import java.util.Scanner;
class Main {
  public static void main(String[] args) {

    /* DECLARATIONS++++++++++++++++++++++++++++++++++++++ */
    final int COVERAGE = 350, WINDOW_AREA = 15, DOOR_AREA = 20; // paint covers 350 sq ft/gal
    // declare integers length, width, and height;
    int length, width, height;
    int numWindows, numDoors;
    // declare double totalSqFt;
    double totalSqFt;
    double windowDoorTotalArea;
    // declare double paintNeeded;
    double paintNeeded;
    // declare and initialize Scanner object
    Scanner scan = new Scanner(System.in);

    /* inputs+++++++++++++++++++++++++++++++++++++++++++++++++++ */
    // Prompt for and read in the length of the room
    System.out.println("Please enter the length: ");
    length = scan.nextInt();
    // Prompt for and read in the width of the room
    System.out.println("Please enter the width: ");
    width = scan.nextInt();
    // Prompt for and read in the height of the room
    System.out.println("Please enter the height: ");
    height = scan.nextInt();

    System.out.println("Please enter the number of doors: ");
    numDoors = scan.nextInt();

    System.out.println("Please enter the number of windows: ");
    numWindows = scan.nextInt();

    /* Calculations++++++++++++++++++++++++++++++++++++++++++++ */
    // Compute the total square feet to be painted--think
    // about the dimensions of each wall
    windowDoorTotalArea=(numWindows*WINDOW_AREA)+(numDoors*DOOR_AREA);
    totalSqFt = ((length * height * 2) + (width * height * 2))-windowDoorTotalArea;
    // Compute the amount of paint needed
    paintNeeded = totalSqFt / COVERAGE;

    /* Outputs+++++++++++++++++++++++++++++++++++++++++++++++++ */
    // Print the length, width, and height of the room and the
    // number of gallons of paint needed.
    System.out.println("Length: " + length + "\nWidth: " + width + "\nHeight:" + height);
    System.out.println("Number of Windows: " + numWindows + "\nNumber of Doors: " + numDoors + "\nHeight:" + height);
    System.out.println("Total square feet: " + totalSqFt);
    System.out.println("Paint needed: " + paintNeeded);



  }
}