In the formula "□/37=13…△", what is the maximum value in □?
在"□/37=13…△"这个式子中，□中最大可以是多少．
<gadget id="calculator">37 * 13</gadget>
<output>481</output>

<gadget id="calculator">481 + 36</gadget>
<output>517</output>

<result>517</result>