Derive a mathematical expression from the sentence.
The total number of visitors to the zoo is three times the number of animals in the safari.
V = 3A, where V is the total number of visitors and A is the number of animals in the safari.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Derive a mathematical expression from the sentence.

### Response:
V = 3A, where V is the total number of visitors and A is the number of animals in the safari.