Lotte Cinema is showing a new movie, the original movie ticket is 20 yuan a piece. Now that the price is reduced, the audience doubles and the income increases (1/5). How much is the ticket now?
乐天影院正在放映一部最新电影，原来电影票20元一张．现在降价，观众增加一倍，收入增加了(1/5)．门票现在多少元一张？
<gadget id="calculator">20 * 1</gadget>
<output>20</output>

<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">1 + 1</gadget>
<output>2</output>

<gadget id="calculator">(6/5) / 2</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">20 * (3/5)</gadget>
<output>12</output>

<gadget id="calculator">12 / 1</gadget>
<output>12</output>

<result>12</result>