There is a promotional activity in the store, and a piece of clothing is sold at 80% of the list price. During the New Year's Day, it was sold at a 20% discount on this basis. Now my mother bought this dress for 128 yuan. How much was the initial price of this dress?
商店里搞促销活动，将一件衣服按标价的80%出售．元旦期间，又在此基础上打八折出售，现在妈妈买回这件衣服花了128元，这件衣服最开始标价多少钱？
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">128 / (4/5) / (4/5)</gadget>
<output>200</output>

<result>200</result>