The school bought a batch of exercise books and distributed them to 16 classes. Each class had 115 books, and there were 160 books left. How many exercise books did the school buy in total?
学校买来一批练习本，发给16个班，每个班115本，还剩160本．学校一共买来多少本练习本？
<gadget id="calculator">115 * 16</gadget>
<output>1_840</output>

<gadget id="calculator">1_840 + 160</gadget>
<output>2_000</output>

<result>2_000</result>