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

### Instruction:
 正义家里有3盆蕨类植物，5盆棕榈树和7盆多肉植物。如果她想在家里总共有24盆植物，她还需要多少盆植物？


### Response:
 正义目前家里有3 + 5 + 7 = <<3+5+7=15>>15盆植物
正义还需要24 - 15 = <<24-15=9>>9盆植物