The outer diameter of a bicycle tire is 60 cm, and the wheel of Xiaohong's bicycle rotates 100 times per minute. How many meters per minute does she cycle?
一种自行车轮胎的外直径60厘米，小红骑车车轮每分钟转动100周．她骑车每分钟行使多少米？
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">3.14 * (3/5) * 100</gadget>
<output>188.4</output>

<result>188.4</result>