A jacket is priced at 240 yuan, and you can get (1/5) profit after selling it. How much does this coat cost? (Profit = Cost * Profit Margin)
一件上衣标价240元，售出后可以获得(1/5)的利润．这件上衣的成本是多少元？(利润=成本*利润率)
<gadget id="calculator">1 / 5</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>