(Please help!) Find the surface area of the rectangular prism

Answer:
156.25
Step-by-step explanation:
A = 2 (wl + hl + hw)
A = 2 (5.5 x 3 + 7.25 x 3 + 7.25 x 5.5)
A = 2 (16.5 + 21.75 + 39.875)
A = 2 x 78.125
A = 156.25