The outer diameter of a car tire is 0.8 meters. If the wheel rotates 250 times per minute, how many meters can the car travel in 4 minutes?
一辆汽车轮胎的外直径是0.8米，如果车轮每分钟转250圈，4分钟后，汽车能走多少米？
<gadget id="calculator">3.14 * 0.8 * 250 * 4</gadget>
<output>2_512</output>

<result>2_512</result>