Story books account for 25% of all books, and technology books account for 45%. There are 2,352 books in these two types of books. How many books are there in total?
故事书占全部书籍的25%，科技书占45%，这两种图书一共有2352本，一共有图书多少本？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">45 / 100</gadget>
<output>9/20 = around 0.45</output>

<gadget id="calculator">(1/4) + (9/20)</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">2_352 / (7/10)</gadget>
<output>3_360</output>

<result>3_360</result>