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

### Instruction:
Kim has 12 nail polishes. Heidi has 5 more nail polishes than Kim, and Karen has 4 fewer nail polishes than Kim. How many nail polishes does Karen and Heidi have together?

### Response:
Kim has 12 nail polishes, Heidi has 5 more than Kim, and Karen has 4 fewer than Kim.
Heidi has 12 + 5 = 17 nail polishes
Karen has 12 - 4 = 8 nail polishes
Heidi and Karen have 17 + 8 = 25 nail polishes
#### 25

