The road construction team wants to build a road, and it has already built 1,200 meters, and the rest needs to be completed within 6 days, with an average of 250 meters per day. How long is this road in meters?
修路队要修一条路，已经修了1200米，剩下要在6天内修完，平均每天修250米，这条公路全长多少米？
<gadget id="calculator">250 * 6</gadget>
<output>1_500</output>

<gadget id="calculator">1_500 + 1_200</gadget>
<output>2_700</output>

<result>2_700</result>