A suit is priced at 480 yuan after a 20% discount. How much is the original price of this suit?
一套西服打减价20%后售价480元．这套西服的原价是多少元？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

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

<result>600</result>