If the minute hand of a wall clock is 5 cm long, how many centimeters does its tip move three times?
一个挂钟分针长5厘米，它的尖端走了三圈是多少厘米．
<gadget id="calculator">3.14 * 2 * 5 * 3</gadget>
<output>94.2</output>

<result>94.2</result>