The minute hand of a clock is 50mm long, so how many millimeters does the tip of the minute hand move in one day and night (24 hours)?
一只钟的分针长50毫米，那么一昼夜(24小时)，这根分针尖端移动的长度是多少毫米？
<gadget id="calculator">3.14 * 50 * 2 * 24</gadget>
<output>7_536</output>

<result>7_536</result>