The selling price of a piece of clothing is 246 yuan, and its profit rate is 20%, so how much is the cost price of this clothing?
一件服装的售价是246元，它的盈利率是20%，那么这件服装的成本价是多少元？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">246 / (6/5)</gadget>
<output>205</output>

<result>205</result>