The school has a batch of books, each class is divided into 10 books, and there are 48 books left. If there are 3 more books in each class, there is still a gap of 24 books. How many books are there in the school?
学校有一批书，每班分10本，余48本，如果每班多分3本，还差24本，学校的这批图书有多少本．
<gadget id="calculator">48 + 24</gadget>
<output>72</output>

<gadget id="calculator">72 / 3</gadget>
<output>24</output>

<gadget id="calculator">24 * 10</gadget>
<output>240</output>

<gadget id="calculator">240 + 48</gadget>
<output>288</output>

<result>288</result>