The sporting goods store holds promotional activities, all products are 20% off. Li Ming bought a set of sportswear for 128 yuan. How much was the original price of this set of sportswear?
体育用品店举行促销活动，所有商品一律八折．李明花128元买了一套运动服，这套运动服原价多少元？
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">128 / (4/5)</gadget>
<output>160</output>

<result>160</result>