Below is an instruction that describes a task. Write a response that appropriately completes the request in Chinese. Please answer in Chinese.

### Instruction:
 卡西迪收集新发布的科幻电影海报。今年夏天过后，她的收藏将增加六张海报，使其比两年前她有14张海报时的规模翻倍。她现在有多少张海报？


### Response:
 由于卡西迪将拥有比她有14张海报时多两倍的海报，今年夏天她将拥有2 * 14 = <<2*14=28>>28张海报。
目前，她有28 - 6 = <<28-6=22>>22张海报。