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

### Instruction:
Tom’s cat is 8 years old.  His rabbit is half the age of his cat.  His dog is three times as old as his rabbit.  How old is the dog?

### Response:
 Sungura wa Tom ana miaka 8 / 2 = <<8/2=4>>4. 
Mbwa wake ana miaka 4 x 3 = <<4*3=12>>12.