A movie theater is showing a new movie. Originally, a movie ticket was 20 yuan, but now the price has been reduced. The audience has doubled, and the income has increased (1/4). How much is a movie ticket now?
某电影院正在放映一部最新电影，原来一张电影票20元，现在降价了，观众增加1倍，收入增加了(1/4)，现在一张电影票多少元？
<gadget id="calculator">20 * 1</gadget>
<output>20</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">1 + 1</gadget>
<output>2</output>

<gadget id="calculator">(5/4) / 2</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">20 * (5/8)</gadget>
<output>25/2 = around 12.5</output>

<result>25/2 = around 12.5</result>