A piece of clothing is priced at 200 yuan after a 20% price reduction. How much is the price of this clothing before the price reduction?
一件衣服降价20%后是200元，这件衣服降价前售价是多少元？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

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

<gadget id="calculator">200 / (4/5)</gadget>
<output>250</output>

<result>250</result>