The school launched a book donation activity. The third grade donated 1025 books, 55 books in a pack, and 17 packs. How many books are left?
学校开展捐书活动，三年级捐了1025本，55本包一包，包了17包，还剩多少本？
<gadget id="calculator">17 * 55</gadget>
<output>935</output>

<gadget id="calculator">1_025 - 935</gadget>
<output>90</output>

<result>90</result>