Build two canals, the first is 1347 meters long and the second is 306 meters longer than the first. How many kilometers are the two canals in total?
修两条水渠，第一条长1347米，第二条比第一条长306米，两条水渠共长多少千米？
<gadget id="calculator">1_347 + 306</gadget>
<output>1_653</output>

<gadget id="calculator">1_347 + 1_653</gadget>
<output>3_000</output>

<gadget id="calculator">3_000 / 1_000</gadget>
<output>3</output>

<result>3</result>