I was doing one of the regular quizzes to "Quiz what I've learned" and for a specific question on deux (million) euros I had the choices (amongst others) of mille or milles d'
I chose mille because isn't it supposed to be milliers de? (forgive me because there's no place to include my screen shot). Isn't this a typo?
on this URL - https://french.kwiziq.com/my-languages/french/tests/results/21524762/system