A T-shirt specialty store sells two kinds of clothing, one new style is priced at 72 yuan each, and can earn 20%; Selling one of each of the two T-shirts makes money or loses money? How much did you earn (or lose)?
一家T恤专卖店出售两种服装，一种新款每件售价72元，可赚20%，另一种样式过时，是处理品，赔本20%，每件也卖72元．两件T恤各卖一件是赚钱还是赔钱？赚(或赔)多少元？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">72 / (4/5)</gadget>
<output>90</output>

<gadget id="calculator">90 * (1/5)</gadget>
<output>18</output>

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

<gadget id="calculator">72 / (6/5)</gadget>
<output>60</output>

<gadget id="calculator">60 * (1/5)</gadget>
<output>12</output>

<gadget id="calculator">18 - 12</gadget>
<output>6</output>

<result>6</result>