3.33 LAB*: Program: Painting a wall

import java.util.Scanner;

public class LabProgram {
   public static void main(String[] args) {
      Scanner scnr = new Scanner(System.in);
		double width = scnr.nextDouble();
		double height = scnr.nextDouble();
		double cost = scnr.nextDouble();
		
		double area = width * height;
		double paint_needed = area / 350.00;
		int cans = (int)(Math.ceil(paint_needed));
		double sales_tax = 0.07 * cost;
		double total_cost = cost + sales_tax;
		
		System.out.printf("Wall area: %.1f sq ft\n", area);
		System.out.printf("Paint needed: %.3f gallons\n", paint_needed);
   }
}