A piece of clothing is sold at a 20% discount, which is 36 yuan cheaper than the original one. How much is the original price?
一件衣服打8折出售，比原来便宜36元，原价多少元．
<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">36 / (1/5)</gadget>
<output>180</output>

<result>180</result>