The ticket for a football game is 30 yuan per ticket. After the price reduction, the audience increases by 50%, and the income increases (1/4). How much is the price reduction for each ticket for this football game?
一场足球比赛的入场券为30元/张，降价后观众增加了50%，收入增加了(1/4)，这场足球赛的入场券每张降价多少元？
<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">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 + (1/2)</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">(5/4) / (3/2)</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">(5/6) * 30</gadget>
<output>25</output>

<gadget id="calculator">30 - 25</gadget>
<output>5</output>

<result>5</result>