YOU SAID:

I have 200 cats, 500 dogs and a fish

INTO JAPANESE

私は猫 200 匹、犬 500 匹、魚 1 匹を飼っています。

BACK INTO ENGLISH

I have 200 cats, 500 dogs, and 1 fish.

INTO JAPANESE

私は猫 200 匹、犬 500 匹、魚 1 匹を飼っています。

BACK INTO ENGLISH

I have 200 cats, 500 dogs, and 1 fish.