A bicycle wheel has an outer diameter of 50 cm and can rotate 100 times per minute. It takes Xiao Ming 10 minutes to ride a bicycle from home to school. How far is Xiao Ming’s home from school?
一辆自行车车轮外直径50厘米，每分钟可以转动100周，小明从家骑自行车到学校需要10分钟，小明家距学校多少千米？
<gadget id="calculator">10 / 100_000</gadget>
<output>1/10_000 = around 0.0001</output>

<gadget id="calculator">100 * 3.14 * 50 * (1/10_000)</gadget>
<output>1.57</output>

<result>1.57</result>