The distance between the left and right wheels of a racing car is 10 cm, how many centimeters does the inner wheel run less than the outer wheel on a lap of the racing road?
一辆赛车的左、右车轮相距10厘米，在赛车道路一圈里边的车轮比外边的车轮少跑了多少厘米？
<gadget id="calculator">3.14 * 2 * 10</gadget>
<output>62.8</output>

<result>62.8</result>