import cs1.Keyboard;
 import java.text.DecimalFormat;
 
 public class Project1
 
 
 
 {
 
 	public static void main (String[] args)
 
 	{
 
 		final int speed = 2;
 
 		int yl, yw, hl, hw, ya, ha, ga;
 		float ttms, ttmm;
 
 		System.out.println ("Enter the length of the yard:");
 
 		yl = Keyboard.readInt();
 
 		System.out.println ("Enter the width of the yard:");
 
 		yw = Keyboard.readInt();
 		System.out.println ("Enter the length of the house:");
 
 		hl = Keyboard.readInt();
 		System.out.println ("Enter the width of the house:");
 
 		hw = Keyboard.readInt();
 		ha = hl*hw; //house area
 		ya = yl*yw; //yard area
 		ga = ya-ha; //grass area
 		ttms = ga/speed; //time to mow in seconds
 		ttmm = ttms/60; //time to mow in minutes
 		DecimalFormat threeDecPlcFormatter = new DecimalFormat("0.000");
 		System.out.println("The house dimensions were: " + hl + "x" + hw + " for an area of " + ha + " square feet.");
 		System.out.println("The yard dimensions were: " + yl + "x" + yw + " for an area of " + ya + " square feet.");
 		System.out.println("The area covered by grass is :" + ga + " square feet.");
 		System.out.println("It would take " + ttmm + " minutes to mow.");
 		System.out.println("Or, taken to 3 decimal places " + threeDecPlcFormatter.format(ttmm) + " minutes to mow.");
 	}
 }