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

### Instruction:
 杰妮想为毕业派对做花环。制作一个花环需要2又半打鸡蛋花。如果她想做4个花环，她必须从她院子里的树上摘多少鸡蛋花？


### Response:
 杰妮制作一个花环需要2.5 x 12 = <<2.5*12=30>>30朵鸡蛋花。
制作4个花环，她需要从树上摘取30 x 4 = <<30*4=120>>120朵鸡蛋花。