Arectangular meeting room (2 + 1) feet wide and (5 + 7) feet long needs to be repainted.
the height of the room is the same as the width. the walls of the room have four glass windows,
each measuring 3 feet by 2 feet and two wooden doors, each measuring 3 feet by 7 feet. ignoring
the ceiling and floor, what expression represents the area of the walls that needs to be painted?