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

### Instruction:
Rachel is 12 years old, and her grandfather is 7 times her age. Her mother is half grandfather's age, and her father is 5 years older than her mother. How old will Rachel's father be when she is 25 years old?

### Response:
 Babu yake Rachel ana umri wa miaka 12 x 7 = <<12*7=84>>84.
Mama yake ana umri wa 84/2 = <<84/2=42>>42.
Baba yake ana umri wa 42 + 5 = <<42+5=47>>47.
Rachel atakuwa na miaka 25 baada ya miaka 25 - 12 = <<25-12=13>>13.
Baba yake Rachel atakuwa na miaka 47 + 13 = 60.