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

### Instruction:
 翡翠正在搭建一个乐高塔。她有100块积木。每一层必须有7块积木宽。如果最后剩下23块积木，她的塔有多少层？


### Response:
 她用了77块积木，因为100 - 23 = <<100-23=77>>77
她搭建了11层，因为77 / 7 = <<77/7=11>>11