Solve the Problem $14 \mathrm{ft}$ By $20 \mathrm{ft}$ the Ceiling Is $12 \mathrm{ft}$

Multiple Choice

Solve the problem.
-A room measures $14 \mathrm{ft}$ by $20 \mathrm{ft}$ . The ceiling is $12 \mathrm{ft}$ above the floor. The door is $3 \mathrm{ft}$ by $7 \mathrm{ft}$ . A gallon of paint will cover $84.2 \mathrm{ft}^{2}$ . How many gallons of paint are needed to paint the room (including the ceiling and not including the door) . Round your answer up to the next whole number.

A) 13 gallons
B) 23 gallons
C) 10 gallons
D) 4 gallons