save as gallon.java

public class gallon{

public static void main (String[] args)

{
double lengthRoom;
double widthRoom;
double heigthRoom;
double winA;
double winB;
double room;
double windows;
double area;
double gallon;

lengthRoom = 12;
widthRoom = 10;
heigthRoom = 8;
winA = 5 * 3;
winB = 6 * 2;
room = lengthRoom * widthRoom * heigthRoom;
windows = winA + winB;
area = room - windows;
gallon = area / 100;

System.out.println("Amount of painter need = " + gallon + " gallon paint");
}

}