A set of suits is priced at 168 yuan after a 20% discount. How much is the original price of this suit?
一套西服打八折后售价168元，这套西服原价多少元．
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">168 / (4/5)</gadget>
<output>210</output>

<result>210</result>