YOU SAID:
Let's go to the store and do math by the eggs
INTO JAPANESE
お店に行って、卵で数学をやってみましょう
BACK INTO ENGLISH
Let's go to the store and do math with eggs
INTO JAPANESE
店に行って卵を使って数学をしましょう
BACK INTO ENGLISH
Let's go to the store and do math with eggs
That didn't even make that much sense in English.