YOU SAID:

Bob went to the store and bought 3 gallons of milk and a carton of eggs.

INTO JAPANESE

ボブは店に行って、3 ガロン牛乳のと卵のカートンを買った。

BACK INTO ENGLISH

Bob went to the store and bought a 3-gallon carton of milk and eggs.

INTO JAPANESE

ボブは店に行って、牛乳と卵の箱は 3 ガロンを買った。

BACK INTO ENGLISH

Bob went to the store and bought a 3-gallon carton of milk and eggs.