The minute hand of Xiaoxiao’s clock is 15 centimeters long. From 8 am to 12 am, how many centimeters does the tip of the minute hand move.
笑笑家钟表的分针长15厘米，从上午8时至12时，这个分针的最尖端走了多少厘米．
<gadget id="calculator">3.14 * 15 * 2 * 4</gadget>
<output>376.8</output>

<result>376.8</result>