A homeowner called in a painter to paint the bedroom walls and ceiling. The bedroom is 18 ft long. 12 ft wide, and 8 ft high. The room has two doors each 3 ft by 7 ft and three windows each 3 ft by 5 ft. The doors and windows do not have to be painted. A gallon of paint con cover 300 sq ft. How many gallons of paint are needed to paint the room