PLEASE HELP!!!!!!!!! i took a picture because it was hard to explain I WILL GIVE YOU THE BRAINEST

Answer:
64m^2
Step-by-step explanation:
(20 m + 8m) times 5 devided by 2 + (5 times 6) + (5 times 6) - ( 3 times 12) that gives you 64 m ^2