The minute hand of a watch is 1.8 centimeters long, how many meters does the tip of its needle travel in a day and night?
一块手表的分针长1.8厘米，它的针尖一昼夜走多少米？
<gadget id="calculator">24 / 100</gadget>
<output>6/25 = around 0.24</output>

<gadget id="calculator">3.14 * 1.8 * 2 * (6/25)</gadget>
<output>2.71296</output>

<result>2.71296</result>