The total length of the Beijing-Hangzhou Grand Canal is 1,801 kilometers, and the length of the Yangtze River is 897 kilometers longer than three times the length of the Beijing-Hangzhou Grand Canal. How many kilometers is the Yangtze River?
京杭大运河全长1801千米，长江的长度比京杭大运河长度的3倍长897千米，长江有多少千米？
<gadget id="calculator">1_801 * 3</gadget>
<output>5_403</output>

<gadget id="calculator">5_403 + 897</gadget>
<output>6_300</output>

<result>6_300</result>