The length of the minute hand of a wall clock is 20 cm. What is the distance traveled by its tip in one day and night in cm?
一个挂钟分针长20cm，一昼夜它的尖端所走的路程是多少cm．
<gadget id="calculator">3.14 * 2 * 20 * 24</gadget>
<output>3_014.4</output>

<result>3_014.4</result>