The radius of the front wheel of a bicycle is 40 cm, and the wheel rotates 100 times per minute. How long does it take to pass a bridge of 5024 meters?
一辆自行车的前轮半径是40厘米，车轮每分钟转100圈，要通过5024米的桥，大约需要几分钟？
<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">2 * 3.14 * 40 * 1</gadget>
<output>251.2</output>

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

<result>20</result>