There are 300 story books in the school library, which is 27 less than the number of literature and art books (3/5). How many literature and art books are there in the library?
学校图书室有300本故事书，比文艺书的数量的(3/5)少27本，图书室有多少本文艺书？
<gadget id="calculator">300 + 27</gadget>
<output>327</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">327 / (3/5)</gadget>
<output>545</output>

<result>545</result>