Two road-building teams built roads, and the first team built 1840 meters, which was 408 meters less than the second team. How many meters did the two teams build in total?
两个修路队修路、第一队修了1840米，比第二队少修408米，两个队共修了多少米？
<gadget id="calculator">1_840 + 408 + 1_840</gadget>
<output>4_088</output>

<result>4_088</result>