Learning a new language is like a quirky question, you can answer only if you understand the question. Let's be quirky.
The word quarante means the nunber forty (40).
Il y a quarante élèves dans la classe.
There are 40 students in a class.
Il faut rester chez vous pour quarante jours.
It is necessar to stay home for 40 days.
Marc: Il y a combien d'élèves dans la classe?
Annie: Il y a quarante élèves dans la classe.
The words il y a and dans have been discussed in the earlier sessions.
Quarante has a connect with the word quarantine.
The word quarantine is defined as a strict isolation, originally of 40 days of detention or isolation imposed upon ships, persons, animals, or plants on arrival at a port or place, when suspected of carrying some infectious or contagious disease.
The words il y a and dans have been discussed in the earlier sessions. https://srishtirajeev.blogspot.com/2020/04/french-class-9-il-y-a.html https://srishtirajeev.blogspot.com/2020/04/french-class-4-dans.html