The school has a new batch of books. 40% of the books have been lent out, and there are 360 books left. How many books are new to the school?
学校新进一批图书．借出了40%，还剩360本，学校新进图书多少本？
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">360 / (3/5)</gadget>
<output>600</output>

<result>600</result>