Two teams of road builders work together to build a road, which can be completed in 4 days. Team A repairs 60 meters every day, and Team B repairs 150 meters in 3 days. How long is this road?
两队筑路工人合修一条路，4天可以修完．甲队每天修60米，乙队3天修150米，这条路长多少米？
<gadget id="calculator">150 / 3</gadget>
<output>50</output>

<gadget id="calculator">50 + 60</gadget>
<output>110</output>

<gadget id="calculator">110 * 4</gadget>
<output>440</output>

<result>440</result>