A case contains c cartons. Each carton contains b boxes, and each box contains 300 paper clips. How many paper clips are contained in 2 cases?	Options.
A) 300 bc  B) 300 b / c  C) 600 bc  D) 600 b / c  E) 600 / bc

Rationale: "2 cases * c cartons / case * b boxes / carton * 300 clips / box = 600 bc paper clips the answer is c ."
Answer: C