YOU SAID:

hello, i have 2 dogs and 2 cats

INTO JAPANESE

こんにちは、犬2匹と猫2匹がいます

BACK INTO ENGLISH

Hi, There are two dogs and two cats dogs

INTO JAPANESE

こんにちは、2匹の犬と2匹の猫犬がいます

BACK INTO ENGLISH

Hi, There are two dogs and two cats dogs