A clothing store initially priced each piece at a profit of 20% of the purchase price. Later, it was promoted in different seasons and sold at a 20% discount. Each piece of clothing lost 64 yuan. How much is the purchase price of each piece of this kind of clothing?
某服装店起初每件按照进价的百分之20的利润定价，后来换季促销，按定价打八折销售，每件服装亏了64元，这种服装每件的进价是多少元？
<result>16_000</result>