What was the question for this implicit rationale, and corresponding answer?
He spends 3 * 3 = 9 hours on his other chores. So he spends 3 + 9 = 12 hours on chores.
 The answer: 12
The question: James spends 3 hours vacuuming and 3 times as long on the rest of his chores. How long does he spend on his chores?