The purchase price of a piece of clothing is 300 yuan, which is 20% higher than the purchase price, what is the selling price
一件衣服进价是300元，比进价提高二成出售，卖价是多少
<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">300 * (6/5)</gadget>
<output>360</output>

<result>360</result>