YOU SAID:
what is nine plus ten? twenty one.
INTO JAPANESE
何は 9 10 プラス?20 の 1 つ。
BACK INTO ENGLISH
What is 9 10 plus? 20 one.
INTO JAPANESE
何が 9 10 プラス?20 1 つ。
BACK INTO ENGLISH
What is 9 10 plus? 20 one.
That didn't even make that much sense in English.