The outer diameter of a bicycle tire is 0.8 meters, and it rotates 60 times per minute, how many meters can it advance per minute?
一种自行车的轮胎外直径是0.8米，每分钟转动60周，每分钟能前进多少米？
<gadget id="calculator">3.14 * 0.8 * 60</gadget>
<output>150.72</output>

<result>150.72</result>