The minute hand of a clock is 8 cm long, so how far is the tip of the minute hand in 2 hours?
一只钟表的分针长8厘米，那么2小时分针针尖走过的距离是多少厘米？
<gadget id="calculator">2 * 3.14 * 8 * 2</gadget>
<output>100.48</output>

<result>100.48</result>