In a clock, the minute hand is 10 cm long and the hour hand is 6 cm long. How many centimeters does the minute hand travel in one circle?
一个钟表，分针长10厘米，时针长6厘米，分针走一圈的路程是多少厘米？
<gadget id="calculator">3.14 * 10 * 2</gadget>
<output>62.8</output>

<result>62.8</result>