A dictionary has 1356 pages. Find the sum of all numbers in the page numbers of this dictionary.
一本辞典有1356页，求这本辞典页码中所有数码的和．
<gadget id="calculator">1 + 1_356</gadget>
<output>1_357</output>

<gadget id="calculator">1_356 / 2</gadget>
<output>678</output>

<gadget id="calculator">1_357 * 678</gadget>
<output>920_046</output>

<result>920_046</result>