The length of the second hand on a clock face is 24mm. How many millimeters does the tip of the second hand travel in 10 seconds?
一个钟面上的秒针长24毫米，在10秒的时间内，秒针针尖走过的距离是多少毫米．
<gadget id="calculator">6 * 10</gadget>
<output>60</output>

<gadget id="calculator">60 / 360</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(1/6) * 3.14 * 24 * 2</gadget>
<output>25.12</output>

<result>25.12</result>