YOU SAID:

i have multiple dogs and cats

INTO JAPANESE

私は複数の犬と猫を飼っています

BACK INTO ENGLISH

I have several dogs and cats

INTO JAPANESE

私は何匹かの犬と猫を飼っています

BACK INTO ENGLISH

I have some dogs and cats

INTO JAPANESE

犬と猫がいます

BACK INTO ENGLISH

There is a dog and a cat

INTO JAPANESE

犬と猫がいます

BACK INTO ENGLISH

There is a dog and a cat