John takes 3 naps a week, and each nap is 2 hours long.
So in one week, he takes 3 naps x 2 hours = 6 hours of naps.
In 70 days, there are 70/7 = 10 weeks.
Therefore, in 70 days, John takes 10 weeks x 6 hours = 60 hours of naps.
#### 60
The answer is: 60
Below is a math problem. Provide a detailed, step-by-step solution.

### Problem:
John takes 3 naps a week.  Each nap is 2 hours long.  In 70 days how many hours of naps does he take?

### Answer:
