YOU SAID:

I get 12 oranges if you add 6 to 9

INTO JAPANESE

6から9を加えると12個のオレンジが出ます

BACK INTO ENGLISH

Add 6 to 9 and you get 12 oranges

INTO JAPANESE

6から9を加えると、12個のオレンジが得られます

BACK INTO ENGLISH

Add 6 to 9 and you get 12 oranges