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

### Instruction:
 莉齐有比鲍比少一半的蜡笔。鲍比有比比利多三倍的蜡笔。如果比利有18支蜡笔，莉齐有多少支蜡笔？


### Response:
 鲍比有18 * 3 = <<18*3=54>>54支蜡笔。
莉齐有54 * 1/2 = <<54*1/2=27>>27支蜡笔。