YOU SAID:

Tom threw Tim three thumbtacks

INTO JAPANESE

トムはティムを投げた 3 びょう

BACK INTO ENGLISH

Tom threw Tim 3 tacks

INTO JAPANESE

トムはティムの 3 を投げた鋲

BACK INTO ENGLISH

Tom threw Tim three tacks.

INTO JAPANESE

トムはティムに 3 つの鋲を投げた。

BACK INTO ENGLISH

Tom threw Tim three tacks.