The second hand of a wall clock is 15 cm long. What is the distance traveled by the tip of the hand in one day and night?
一只挂钟的秒针长15厘米，一昼夜它的针尖走过的路程是多少？
<gadget id="calculator">3.14 * 15 * 2 * 24 * 60</gadget>
<output>135_648</output>

<result>135_648</result>