The tip of the minute hand of the wall clock moves exactly 50.24 cm in (1/3) hour. How long is its minute hand?
挂钟分针的针尖在(1/3)小时正好走了50.24厘米．它的分针长多少？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">50.24 / (1/3) / 3.14 / 2</gadget>
<output>24</output>

<result>24</result>