The road construction team built a road, 300 meters a day, and it has been repaired for 6 days, and there are 600 meters left to be repaired. How many meters is this road in total?
修路队修一条，每天修了300米，已经修了6天，还剩600米没修，这条路共有多少米？
<gadget id="calculator">300 * 6</gadget>
<output>1_800</output>

<gadget id="calculator">1_800 + 600</gadget>
<output>2_400</output>

<result>2_400</result>