A bicycle tire has an outer diameter of 70 cm and can rotate 200 times per minute. Xiao Ming rode this bicycle from school to home in 10 minutes. How many meters is Xiao Ming's distance from home to school?
一种自行车轮胎的外直径是70厘米，它每分钟可以转200周．小明骑着这辆自行车从学校到家里用了10分钟．小明从家里到学校的路程是多少米？
<gadget id="calculator">70 / 100</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">3.14 * (7/10) * 200 * 10</gadget>
<output>4_396</output>

<result>4_396</result>