The scarf is priced at 20% profit, and the selling price is 240 yuan. How much is the cost price of the scarf?
围巾按20%的利润标价，售价为240元，那么围巾的成本价是多少元？
<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">240 / (6/5)</gadget>
<output>200</output>

<result>200</result>