The diameter of the front wheel of a bicycle is 0.8 meters. If it rotates 100 times per minute, how long will it take for the front wheel of this bicycle to travel a distance of 5024 meters?
一辆自行车的前轮直径是0.8米，如果每分钟转100圈，这辆自行车的前轮要走过5024米的公路，需要多长时间？
<gadget id="calculator">3.14 * 0.8 * 100</gadget>
<output>251.2</output>

<gadget id="calculator">5_024 / 251.2</gadget>
<output>20</output>

<result>20</result>