YOU SAID:

africa is great and i don't know. i like math.

INTO JAPANESE

アフリカは素晴らしいと私は知らない。数学が好き。

BACK INTO ENGLISH

Africa is great and I do not know. I like math.

INTO JAPANESE

アフリカは素晴らしい、私はわからない。数学が好き。

BACK INTO ENGLISH

Africa is awesome, I don't know. I like math.

INTO JAPANESE

アフリカは素晴らしいです、私は知らない。数学が好き。

BACK INTO ENGLISH

Africa is awesome, I don't know. I like math.