The outer diameter of a bicycle tire is 0.7 meters, and the wheel rotates 100 times per minute on average. Xiaohong's home is about 2,198 meters away from the school, so how many points does she need to ride to school from home?
一辆自行车轮胎的外直径为0.7米，车轮平均每分转100周．小红家离学校约2198米，那么她从家骑车上学要多少分？
<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>