road repairing team wanted to build a road, and built 2,400 meters in the first 12 days. At this speed, it took another 18 days to complete the road. How long is the road in meters?
一个修路队要修一条公路，头12天修了2400米，照这样的速度，又用了18天才把这条路全部修完，这条路全长多少米？
<gadget id="calculator">2_400 / 12</gadget>
<output>200</output>

<gadget id="calculator">12 + 18</gadget>
<output>30</output>

<gadget id="calculator">200 * 30</gadget>
<output>6_000</output>

<result>6_000</result>