store sells two coats at a price of 180 yuan. One earns 20% and the other loses 20%. Ask whether the store has earned or lost two coats, and how much has it earned or lost?
一个商店售出两件上衣，售价是180元，一件赚了20%，一件赔了20%，问这个商店卖的两件衣服是赚了还是赔了，赚了或赔了多少？
<gadget id="calculator">20 / 100</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">180 / (6/5)</gadget>
<output>150</output>

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

<gadget id="calculator">180 / (4/5)</gadget>
<output>225</output>

<gadget id="calculator">150 + 225</gadget>
<output>375</output>

<gadget id="calculator">180 * 2</gadget>
<output>360</output>

<gadget id="calculator">375 - 360</gadget>
<output>15</output>

<result>15</result>