During the May 1st period, the shopping mall held promotional activities, all products were 20% off, and my mother spent 160 yuan on a coat. How much is the original price of this coat?
五一期间商场搞优惠活动，所有商品一律八折，妈妈买一件上衣花了160元．这件上衣原价多少钱？
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">160 / (4/5)</gadget>
<output>200</output>

<result>200</result>