A piece of clothing is 75 yuan cheaper than the original price after a 20% discount. How much is the original price of this piece of clothing?
一件衣服打八折后比原来便宜了75元，这件衣服的原价是多少钱？
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 - (4/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">75 / (1/5)</gadget>
<output>375</output>

<result>375</result>