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

### Instruction:
 安娜穿尺码2。她的朋友贝基穿的尺码是安娜的三倍。金格穿的尺码是贝基的两倍减去4。金格穿多大尺码？


### Response:
 首先找到贝基穿的尺码：2 * 3 = <<2*3=6>>6
然后将这个数字乘以2：6 * 2 = <<6*2=12>>12
然后减去4找到金格的尺码：12 - 4 = <<8=8>>8