YOU SAID:
I am so smart at being stupid.
INTO JAPANESE
私は愚かなことでとても賢いです。
BACK INTO ENGLISH
I'm so wise and stupid.
INTO JAPANESE
私はとても賢く、愚かです。
BACK INTO ENGLISH
I am very smart and stupid.
INTO JAPANESE
私は非常に賢く、愚かです。
BACK INTO ENGLISH
I am very smart and stupid.
That didn't even make that much sense in English.