Task: Question Answering
Input (English): Jeweler A can set an average round-cut diamond in 20 minutes. Jeweler B requires 15 minutes to set the same type of diamond. In 8 hours, how many more diamonds can be set by Jeweler B than by Jeweler A?
(A)40 (B)24 (C)16 (D)8 (E)1
Output (English): D