The wholesale price of a shirt is 50 yuan per piece. The shopping mall first increases the price by 20% for retail sale, and then sells it at a 20% discount on the retail price due to the season change a month later. How much is the price of each shirt now?
一种衬衣的批发价是每件50元，商场先加价20%零售，一个月后因换季，在零售价的基础上降价20%出售，现在每件衬衣的售价是多少元？
<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">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">50 * (6/5) * (4/5)</gadget>
<output>48</output>

<result>48</result>