Boss Wang said: "Today I sold two clothes for 120 yuan, one has a 20% profit, and the other has a 20% loss. Alas, this business has lost money!" Did Boss Wang really lose money? How much did you lose (earn)? Please do the math.
王老板说："今天我卖了两件衣服都是120元，一件有20%的利润，另一件亏了20%，唉，这生意做亏了!"王老板真的亏了吗？亏(赚)了多少元？请你算一算．
<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">120 / (6/5)</gadget>
<output>100</output>

<gadget id="calculator">120 - 100</gadget>
<output>20</output>

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

<gadget id="calculator">120 / (4/5)</gadget>
<output>150</output>

<gadget id="calculator">150 - 120 - 20</gadget>
<output>10</output>

<result>10</result>