The Liangquan Engineering Team worked together to dig a 675-meter-long tunnel, and dug from one end to the other at the same time. The first team dug 12.6 meters a day, and the second team dug 14.4 meters a day. How many days will it take to get through this tunnel?
两全工程队合开一条长675米长的隧道，同时各从一端向另一端开凿，第一队每天开12.6米，第二队每天开14.4米，这条隧道要用多少天才能打通？
<gadget id="calculator">12.6 + 14.4</gadget>
<output>27</output>

<gadget id="calculator">675 / 27</gadget>
<output>25</output>

<result>25</result>