Dorothy has a ribbon that is 3 feet long, and a ribbon that is 8 feet long. She needs to cut the ribbon into pieces that are 1/4 foot long. How many pieces will she have in all?

A. 12 pieces

B. 32 pieces

C. 11 pieces

D. 44 pieces

(3+8) / 1/4 = 11*4 = ___