YOU SAID:

I was 20 working at a gas station when a 9 year old bought beer and condoms for him and his girl

INTO JAPANESE

私はガソリンスタンドで働いていた20歳のとき、9歳のときにビールとコンドームを買いました

BACK INTO ENGLISH

I bought beer and condoms at the age of nine when I was 20 at the gas station.

INTO JAPANESE

私はガソリンスタンドで20歳のときに9歳でビールとコンドームを買った。

BACK INTO ENGLISH

I bought beer and condoms at the age of nine when I was 20 at the gas station.