movie ticket is 80 yuan. After the price is reduced, the audience doubles and the income increases (1/5). How much is the price of each ticket reduced?
电影票80元一张，降价后观众增加一倍，收入增加(1/5)，每张票降价多少元．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">80 * (6/5)</gadget>
<output>96</output>

<gadget id="calculator">96 / 2</gadget>
<output>48</output>

<gadget id="calculator">80 - 48</gadget>
<output>32</output>

<result>32</result>