The road repair team built a road, repairing 120 meters every day. After 23 days of repairing, there were 340 meters left to be repaired. How many kilometers is this road?
修路队修一条路，每天修120米，修了23天后，还剩340米未修，这条路长多少千米？
<gadget id="calculator">120 * 23</gadget>
<output>2_760</output>

<gadget id="calculator">2_760 + 340</gadget>
<output>3_100</output>

<gadget id="calculator">3_100 / 1_000</gadget>
<output>31/10 = around 3.1</output>

<result>31/10 = around 3.1</result>