The outer diameter of a car tire is 1.02 meters, and it rotates 50 times per minute. How many meters does the wheel advance per minute?
汽车轮胎的外直径是1.02米，每分钟转50周，车轮每分钟前进多少米？
<gadget id="calculator">1.02 * 3.14 * 50</gadget>
<output>160.14</output>

<result>160.14</result>