The distance from Mr. Li's home to the school is 3 kilometers, and it takes 7 minutes to ride an electric car. Average travel distance per minute
从李老师家到学校的路程是3千米，骑电动车一共要行驶7分钟．平均每分钟行驶全程的多少
<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<result>1/7 = around 0.142857</result>