Answer:
480
Explanation:
He can choose one of 8 dogs, one of 12 cats, and one of 5 hamsters.
There are 8 ways to choose 1 dog out of 8. There are 12 ways to choose 1 cat out of 12. There are 5 ways to choose 1 hamster out of 5.
This gives us
8(12)(5) = 96(5) = 480