The wheel radius of a car is 30 cm, and it makes 5 revolutions per second. How many minutes does it take for the car to pass a 2826-meter-long bridge?
一辆汽车的车轮半径是30厘米，它每秒钟转5周，这亮汽车要经过一座2826米长的桥，需要多少分钟？
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">3.14 * (3/10) * 2 * 5</gadget>
<output>9.42</output>

<gadget id="calculator">2_826 / 9.42 / 60</gadget>
<output>5</output>

<result>5</result>