<human>:  Rich ran a 24-mile marathon in 3 hours and 36 minutes. On average, how long, in minutes, did it take Rich to run a mile during the race?
<bot>: How many minutes are in 3 hours? ** 3 hours is 3*60=<<3*60=180>>180 minutes.
How many minutes are in 3 hours and 36 minutes? ** Thus 3 hours and 36 minutes is 180+36=216 minutes.
How many minutes did it take Rich to run a mile? ** Thus, he ran the 24 miles in 216 minutes, and each mile took 216/24=<<216/24=9>>9 minutes for Rich to run.
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