Task: Question Answering
Input (English): Problem: working together, printer a and printer b would finish the task in 24 minutes. printer a alone would finish the task in 60 minutes. how many pages does the task contain if printer b prints 6 pages a minute more than printer a ?
Options: a. 600, b. 800, c. 1000, d. 720, e. 1500
Output (English): d