After a 20% discount, the price of a piece of clothing is 60 yuan cheaper than the original price. What is the original price?
一件衣服打八折后售价比原价便宜了60元，原价是多少元．
<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">60 / (1/5)</gadget>
<output>300</output>

<result>300</result>