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

### Instruction:
 阿里有一家小花店。他星期一卖了4朵花，星期二卖了8朵花，星期五他卖了星期一卖的花的两倍。阿里卖了多少朵花？


### Response:
 把星期二和星期一的花加在一起，阿里卖了8 + 4 = <<8+4=12>>12朵花。
星期五，他卖了2 * 4 = <<2*4=8>>8朵花。
总共，阿里卖了12 + 8 = <<12+8=20>>20朵花。