pair of leather shoes is sold for 160 yuan after the price is reduced, which is 20% lower than the original price. How much is the original price of this kind of leather shoes?
一双皮鞋降价后卖160元，比原来降价20%，这种皮鞋原价是多少钱？
<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">160 / (4/5)</gadget>
<output>200</output>

<result>200</result>