Please help and explain if you can cuz im confused

Answer:
B. 664 square inches
Step-by-step explanation:
14 * 10 =140
140 * 2 = 280
8 * 10 = 80
80 * 2 = 160
14 * 8 =112
112 * 2 = 224
280 + 160 + 224 = 664
Therefore, your answer would be B. 664 square inches.