There are 2,300 science and technology books in the school library, accounting for (5/7) of the total number of books. How many books are there in total in the library?
学校图书馆有科技书2300本，占图书总量的(5/7)，图书馆共有存书多少本？
<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>

<gadget id="calculator">2_300 / (5/7)</gadget>
<output>3_220</output>

<result>3_220</result>