YOU SAID:

i have 3 kittens and one adult cat

INTO JAPANESE

私は3匹の子猫と1匹の成虫猫を飼っています

BACK INTO ENGLISH

I have three kittens and an adult cat.

INTO JAPANESE

私は子猫が3匹、大人の猫が1匹います。

BACK INTO ENGLISH

I have three kittens and one adult cat.

INTO JAPANESE

私は子猫が3匹、大人の猫が1匹います。

BACK INTO ENGLISH

I have three kittens and one adult cat.