YOU SAID:

If I get 200 likes i'll buy an Xbox one with my brother

INTO JAPANESE

私が200の好きを得たら、私は弟とXbox 1を買うだろう

BACK INTO ENGLISH

If I get 200 likes, I will buy my brother and Xbox 1

INTO JAPANESE

私が200の好きを得たら、私は弟とXbox 1を購入する

BACK INTO ENGLISH

If I get 200 likes, I will purchase my younger brother and Xbox 1

INTO JAPANESE

私が200の好きを得たら、私は弟とXbox 1を購入する