YOU SAID:
There are 20 cats with 2 kittens, so now there are 40 cats
INTO JAPANESE
2匹の子猫と20匹の猫がいるので、今では40匹の猫がいます
BACK INTO ENGLISH
I have 2 kittens and 20 cats, so now I have 40 cats
INTO JAPANESE
子猫が2匹と猫が20匹いるので、今は猫が40匹います
BACK INTO ENGLISH
I have 2 kittens and 20 cats, so now I have 40 cats
You should move to Japan!