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

### Instruction:
Tim owns rental properties.  He decides to replace all the locks and needs to get 3 keys per lock.  He owns two apartment complexes which each have 12 apartments.  How many keys does he need to make?

### Response:
 มีอพาร์ตเมนต์ทั้งหมด 2*12=<<2*12=24>>24 หลังคาที่เขาต้องทำกุญแจ
ดังนั้นเขาต้องทำกุญแจ 24*3=<<24*3=72>>72 กุญแจ