A road has been built for 600 meters, and there are still 1,000 meters left to be repaired. How long is this road in meters?
一条路，已经修了600米，还剩下1000米没修，这条路全长多少米？
<gadget id="calculator">600 + 1_000</gadget>
<output>1_600</output>

<result>1_600</result>