The page numbers of a book are consecutive natural numbers, 1, 2, 3, ..., when these page numbers are added up, a certain page number is added twice, and the incorrect result 1997 is obtained, then this is added twice What is the page number of .
一本书的页码是连续的自然数，1，2，3，…，当将这些页码加起来的时候，某个页码被加了两次，得到不正确的结果1997，则这个被加了两次的页码是多少．
<gadget id="calculator">62 / 2</gadget>
<output>31</output>

<gadget id="calculator">31 * 62</gadget>
<output>1_922</output>

<gadget id="calculator">1_997 - 1_922 - 31</gadget>
<output>44</output>

<result>44</result>