The original price of football tickets is 50 yuan each. After the price reduction, the number of spectators has increased by half, and the total income has increased (1/5). How much is each ticket after the price reduction?
足球门票原价每张50元，降价后观众人数增加了一半，总收入增加了(1/5)．降价后每张门票多少钱？
<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 / 2</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">(6/5) / (3/2)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(4/5) * 50</gadget>
<output>40</output>

<gadget id="calculator">50 - 40</gadget>
<output>10</output>

<result>10</result>