Three monkeys take turns to carry water. It takes 20 minutes to carry a bucket of water. From 7 am to 11 am, how many times does each monkey carry water on average?
三只猴子轮流去抬水，抬一桶水需20分钟，从上午7时到11时，平均每只猴子抬了几次水？
<gadget id="calculator">24 / 3</gadget>
<output>8</output>

<result>8</result>