The store deals with a commodity and sells it at a 20% price reduction. At this time, each commodity still makes a profit of 20% compared with the purchase price. How many commodities must be sold now to make the same profit as selling 1000 commodities at the original price? ?
商店处理一种商品，按定价降低20%出售，此时每件商品与买入价相比仍赢利20%，求现在要卖出多少件商品才能与按原定价卖出1000件商品获利相同？
<result>2_500</result>