The famous Erie Canal in the history of the United States has a total length of 584 kilometers. The length of the Beijing-Hangzhou Grand Canal in my country is 45 kilometers longer than three times that of the Erie Canal. How long is the Beijing-Hangzhou Grand Canal in kilometers?
美国历史上著名的伊利运河全长584千米，我国的京杭大运河的长度比伊利运河的3倍多45千米．京杭大运河全长多少千米？
<gadget id="calculator">584 * 3</gadget>
<output>1_752</output>

<gadget id="calculator">1_752 + 45</gadget>
<output>1_797</output>

<result>1_797</result>