A semicircle is attached to the side of a rectangle as shown. 
 What is the best approximation for the area of this figure?
 Use 3.14 to approximate pi.
 A: 162.1
 B: 117.4
 C: 122.1
 D: 164.5
 (The height of the square is 18 cm, and the side length is 6 cm)