The total length of the Yellow River is 5,400 kilometers, which is 900 kilometers less than that of the Yangtze River. How many kilometers is the total length of the Yangtze River?
黄河全长5400千米，比长江少900千米，长江全长几千米？
<gadget id="calculator">5_400 + 900</gadget>
<output>6_300</output>

<result>6_300</result>