A rectangular room is 20 feet long and 10 feet wide. If you paint a red rectangle on the floor that is 8 feet long and 3 feet wide, what is the area of the floor in the room that will NOT be red?
10 * 20 = 200 sq. ft.
8 * 3 = 24 sq. ft.
200 - 24 = _______ sq. ft.