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

### Instruction:
The age of a lioness in a park is twice the age of a hyena in the same park. The lioness is 12 years old. If the babies of the two animals are half the age of their mothers, calculate the sum of the age of the babies in five years.

### Response:
If the lioness is 12 years old, the hyena, half her age, is 12/2 = <<12/2=6>>6 years old.
The baby of the lioness is 12/2 = <<12/2=6>>6 years old, half the mother's age.
The baby of the hyena is 6/2 = <<6/2=3>>3 years old, which is half the mother's age.
In five years, the age of the lioness's cub will be 6+5 = <<6+5=11>>11
The age of the hyena's cub will be 3+5 = 8 years old in five years.
The sum of the age of the babies in five years is 8+11 = <<8+11=19>>19 years.
#### 19