YOU SAID:
How many nights does it take to count the stars?
INTO JAPANESE
星を数えるには何泊かかりますか?
BACK INTO ENGLISH
How long does it take to count stars?
INTO JAPANESE
星を数えるにはどれくらい時間がかかりますか?
BACK INTO ENGLISH
How long does it take to count stars?
You've done this before, haven't you.