The school bought a new batch of books, each class gets 48 books, and after distributing to 12 classes, there are 24 books left. How many books are there in this batch?
学校新买进一批图书，每班分得48本，分给12个班后还剩24本，这批图书有多少本？
<gadget id="calculator">48 * 12</gadget>
<output>576</output>

<gadget id="calculator">576 + 24</gadget>
<output>600</output>

<result>600</result>