YOU SAID:

she eat lasanga and did math whats 4 by 4

INTO JAPANESE

彼女はラザンガを食べ、4 x 4の数学をしました

BACK INTO ENGLISH

She ate Lazanga and did mathematics 4 x 4

INTO JAPANESE

彼女はラザンガを食べて数学4×4をしました

BACK INTO ENGLISH

She ate Lazanga and did mathematics 4 x 4