Let's think that this figure is 1 circle (1/2 top circle + 1/2 bottom circle) and 1 rectangle
area
1 circle = ¶r^2 = 3.14* (6/2)^2 = 3.14* (9) = 28.26 ft2
1 rectangle = width * length = 6*16 = 96 ft2
the this figure = 28.26+96 = 124.26 ≈ 124.3 ft2 (C)