YOU SAID:
What is our room index number?I go to the toilet.
INTO JAPANESE
部屋番号は何ですか?私はトイレに行きます。
BACK INTO ENGLISH
What is the room number? I am going to the toilet.
INTO JAPANESE
部屋番号は何ですか?私はトイレに行く。
BACK INTO ENGLISH
What is the room number? I go to the bathroom.
INTO JAPANESE
部屋番号は何ですか?わたしはお手洗いに行きます。
BACK INTO ENGLISH
What is the room number? I am going to the washroom.
INTO JAPANESE
部屋番号は何ですか?私は洗面所に行く。
BACK INTO ENGLISH
What is the room number? I am going to the bathroom.
INTO JAPANESE
部屋番号は何ですか?私はバスルームに行くつもりです。
BACK INTO ENGLISH
What is the room number? I am going to the bathroom.
That didn't even make that much sense in English.