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

### Instruction:
Jade is building a lego tower. She has 100 pieces. Each level has to be 7 pieces wide. If she has 23 pieces left at the end, how many levels is her tower?

### Response:
 Ameitumia lego 77 kwa sababu 100 - 23 = <<100-23=77>>77
Ametengeneza ngazi 11 kwa sababu 77 / 7 = <<77/7=11>>11