The minute hand of a clock is 5 cm long. How many centimeters does the tip of the minute hand travel after 2 hours?
一种钟表的分针长5cm，经过2小时后，分针的尖端走过的路程是多少厘米？
<gadget id="calculator">2 * 3.14 * 5 * 2</gadget>
<output>62.8</output>

<result>62.8</result>