The school bought some exercise books and distributed them to 54 classes. Each class got 162 books, and there were 480 books left. How many exercise books did the school buy in total?
学校买来一些练习本分给54个班，每班分得162本，还剩480本，学校一共买来多少本练习本？
<gadget id="calculator">162 * 54</gadget>
<output>8_748</output>

<gadget id="calculator">8_748 + 480</gadget>
<output>9_228</output>

<result>9_228</result>