YOU SAID:

you've got three cats on your head

INTO JAPANESE

頭に3匹の猫が乗っていますね

BACK INTO ENGLISH

There are three cats on your head.

INTO JAPANESE

頭の上に猫が３匹乗っています。

BACK INTO ENGLISH

There are three cats on my head.

INTO JAPANESE

私の頭の上には3匹の猫が乗っています。

BACK INTO ENGLISH

There are three cats on my head.