Aunt Wang sold two fashions at a price of 150 yuan each today. The price of one of them is 25% higher than the cost, and the other is 25% lower than the cost. Did Aunt Wang lose money or make money today? How much did you lose (earn)?
王阿姨今天以每件150元的价钱卖了两件时装．其中一件的价钱比成本高25%，另一件却低于成本25%．王阿姨今天亏本了还是赚钱了？亏(赚)了多少？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">150 / (3/4)</gadget>
<output>200</output>

<gadget id="calculator">200 - 150</gadget>
<output>50</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

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

<gadget id="calculator">150 - 120</gadget>
<output>30</output>

<gadget id="calculator">50 - 30</gadget>
<output>20</output>

<result>20</result>