A housefly sits on the outer edge of a rotating circular ceiling fan with a diameter of 6 feet. The fan rotates constantly at a rate of 20 revolutions per minute. How many minutes had the housefly been on the fan during the time it took to travel $19{,}404\pi$ feet? Express your answer to the nearest whole number.
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
A housefly sits on the outer edge of a rotating circular ceiling fan with a diameter of 6 feet. The fan rotates constantly at a rate of 20 revolutions per minute. How many minutes had the housefly been on the fan during the time it took to travel $19{,}404\pi$ feet? Express your answer to the nearest whole number.
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
162\text{ minutes}
A housefly sits on the outer edge of a rotating circular ceiling fan with a diameter of 6 feet. The fan rotates constantly at a rate of 20 revolutions per minute. How many minutes had the housefly been on the fan during the time it took to travel $19{,}404\pi$ feet? Express your answer to the nearest whole number.
train