Two engineering teams, A and B, work together to repair a road. Team A repairs 720 meters per month, and team B repairs 860 meters per month. The two teams work at the same time, and the repair is completed in half a year. How long is the road?
甲乙两个工程队合作修公路，甲队每月修720米，乙队每月修860米，两队分别同时施工，半年修完，这条公路长多少米？
<gadget id="calculator">720 + 860</gadget>
<output>1_580</output>

<gadget id="calculator">1_580 * 6</gadget>
<output>9_480</output>

<result>9_480</result>