Calculate how many animals are in a shelter.
The shelter has 15 cats, 10 dogs and 7 rabbits.
In the shelter, there are a total of 15 + 10 + 7 animals which equals to 32 animals.
Complete the following task based on the instruction and optional input provided.### Instruction:
Calculate how many animals are in a shelter.

### Input:
The shelter has 15 cats, 10 dogs and 7 rabbits.

### Output:
In the shelter, there are a total of 15 + 10 + 7 animals which equals to 32 animals.