There are 80 science and technology books, how many literature and art books are there? (According to the formula 80/(1-(1/5)), supplement the conditions on the horizontal line)
科技书有80本，多少文艺书有多少本？(根据算式80/(1-(1/5))在横线上补充条件)
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>