The current price of down jackets in Huaxin shopping mall is 240 yuan, and the current price is determined by adding 20% to the purchase price. How much is the purchase price?
华新商场的羽绒服现售价是240元，现价是把进价加两成确定的．进价是多少钱？
<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>