The minute hand of a clock is 10 cm long. From 1 o'clock to 2 o'clock, how many centimeters does the tip of the minute hand travel?
某钟表的分针长10厘米，从1时到2时，分针针尖走过了多少厘米．
<gadget id="calculator">3.14 * 10 * 2</gadget>
<output>62.8</output>

<result>62.8</result>