A shopping mall held a store celebration activity, and all products were sold at a 20% discount. Aunt Li bought a top for 480 yuan in the mall. How much is the original price of this coat?
某商场举行店庆酬宾活动，所有商品八折销售．李阿姨在该商场花480元钱购买了一件上衣．这件上衣的原价是多少元钱？
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">480 / (4/5)</gadget>
<output>600</output>

<result>600</result>