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

### Instruction:
 洛丽塔平时可以喝3盒牛奶。在周六，她可以喝平时的两倍，而在周日，她可以喝平时的三倍。她每周可以喝多少盒牛奶？


### Response:
 平时 = 3 * 5 = <<3*5=15>>15
周六 = 3 * 2 = <<3*2=6>>6
周日 = 3 * 3 = <<3*3=9>>9
总共 = 15 + 6 + 9 = <<15+6+9=30>>30
洛丽塔每周可以喝30盒牛奶。