In the zoo, there is a monkey riding a unicycle across a single-plank bridge. The diameter of the wheel is 0.3 meters, and the bridge is 9.42 meters long. How many revolutions does it take for the wheel to pass the bridge?
动物园里有小猴在表演骑独轮车过独木桥，车轮的直径是0.3米，桥长9.42米．通过这座桥车轮要转多少圈？
<gadget id="calculator">3.14 * 0.3</gadget>
<output>0.942</output>

<gadget id="calculator">9.42 / 0.942</gadget>
<output>10</output>

<result>10</result>