certain product is sold at a price increased by 25% of the cost price, and the price needs to be reduced due to the backlog. If each product still wants to make a profit of 10%, how much discount is required to sell it?
某商品按成本价增加25%价格出售，因积压需降价出售，若每件商品仍想盈利10%，需几折出售？
<result>8.8</result>