Mom spent 120 yuan to buy a piece of clothing that was sold at a "20% discount". What was the original price of this piece of clothing?
妈妈花120元钱买了一件打"八折"出售的衣服，这件衣服原价是多少元．
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">120 / (4/5)</gadget>
<output>150</output>

<result>150</result>