The outer diameter of a car tire is 1.5 meters. If it rotates 5 times per second on average, how many seconds will it take to pass a bridge with a length of 1177.5 meters?
一辆汽车轮胎的外直径是1.5米，如果平均每秒转5周，那么通过一座长1177.5米的大桥，大约需要多少秒？
<gadget id="calculator">3.14 * 1.5 * 5</gadget>
<output>23.55</output>

<gadget id="calculator">1_177.5 / 23.55</gadget>
<output>50</output>

<result>50</result>