The distance between Xiao Ming’s home and school is 2198 meters. Xiao Ming goes to school by bicycle. The outer diameter of the bicycle tire is about 70 cm. If the wheels rotate 100 times per minute, how many minutes does it take for Xiao Ming to ride to school?
小明家与学校相距2198米，小明骑自行车上学，自行车轮胎的外直径约为70厘米，如果车轮每分钟转100圈，那么小明骑车到学校需几分钟？
<gadget id="calculator">3.14 * 0.7 * 100</gadget>
<output>219.8</output>

<gadget id="calculator">2_198 / 219.8</gadget>
<output>10</output>

<result>10</result>