paint

import java.util.Scanner;
import java.lang.Math;     // Note: Needed for math functions

class PaintEstimator {

    public static void main(String[] args) {
        Scanner scnr = new Scanner(System.in);
        double wallHeight = 0.0;
        double wallWidth = 0.0;
        double wallArea = 0.0;
        double gallonsPaintNeeded = 0.0;
        double cansNeeded = 0;

        final double SQUARE_FEET_PER_GALLON = 350.0;
        final double GALLONS_PER_CAN = 1.0;

        System.out.println("Enter wall height (feet): ");
        wallHeight = scnr.nextDouble();

        // Prompt user to input wall's width
        System.out.println("Enter wall width (feet): ");
        wallWidth = scnr.nextDouble();

        // Calculate and output wall area
        wallArea = wallHeight * wallWidth;
        System.out.println("Wall area: " + wallArea + " square feet");

        // Calculate and output the amount of paint in gallons needed to paint the wall
        gallonsPaintNeeded = wallArea / SQUARE_FEET_PER_GALLON;
        System.out.println("Paint needed: " + gallonsPaintNeeded + " gallons");

        // Calculate and output the number of 1 gallon cans needed to paint the wall, rounded up to nearest integer
        cansNeeded = gallonsPaintNeeded / GALLONS_PER_CAN;  //Hint: this line is missing two operations
        System.out.println("Cans needed: " + Math.round(cansNeeded) + " can(s)");
    }
}