A shopping mall held a promotional activity, and when you spend 100 yuan, you will get a 30 yuan gift certificate (which can be used for re-shopping). Aunt Wang bought a coat for 200 yuan, and bought a leather bag with the gift certificate plus 40 yuan in cash. How many discounts does Aunt Wang enjoy when she makes two purchases?
某商场进行促销活动，购物满100元送30元礼券(可用于再次购物)，王阿姨买了200元的一件上衣，用得到的礼券加40元现金买了一个皮包．王阿姨两次购物相当于享受了几折的优惠？
<result>8</result>