The school bus traveled 2,400 meters in 4 minutes. At this speed, it took a total of 30 minutes to travel from the first stop to the school. How many kilometers is this distance?
学校班车4分钟行驶了2400米，照这样的速度，从第1站到学校共行驶了30分钟，这段路程有多少千米？
<gadget id="calculator">2_400 / 4</gadget>
<output>600</output>

<gadget id="calculator">600 * 30</gadget>
<output>18_000</output>

<result>18_000</result>