Two engineering teams, A and B, jointly install a gas pipeline. Team A installs 62.5 meters per day, and team B installs 77.2 meters per day. The task is completed in 10 days. How many meters is this gas pipeline?
甲、乙两个工程队共同安装一条燃气管道，甲队每天安装62.5米，乙队每天安装77.2米，10天完成任务．这条燃气管道有多少米？
<gadget id="calculator">62.5 + 77.2</gadget>
<output>139.7</output>

<gadget id="calculator">139.7 * 10</gadget>
<output>1_397</output>

<result>1_397</result>