Hope Primary School has a new batch of books. For the first time, 60 books have been imported, accounting for 3/5 of the total. How many books are there in this batch?
希望小学新进一批图书，第一次进了60本，正好占总数的(3/5)，这批图书共有多少本？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">60 / (3/5)</gadget>
<output>100</output>

<result>100</result>