batch of children's toys is priced at a profit of 40% of the cost. After selling 70% of the goods, in order to sell the remaining toys as soon as possible, the store decides to sell the remaining toys at a discount, so that the total profit obtained is equal to the original expected profit. 79%, and the rest are sold at a discount.
一批儿童玩具，按成本40%的利润来定价，卖了70%的商品后，为尽早销完剩下的玩具，商店决定剩下的打折出售，这样所获得的全部利润是原来期望利润的79%，剩下的是打多少折出售的．
<result>8</result>