years (of age)
Mon grand-père a quatre-vingt-dix ans.
My grandfather is ninety years old.
Cette dame a plus de quatre-vingts ans.
This lady is over eighty years old.
Twenty-two years old.
La bibliothèque a quatre-vingts ans.
The library is eighty years old.
Ils ont bâti leur empire au Pérou il y a environ cinq cents ans.
They built their empire in Peru about five hundred years ago.
Notre grand-père a quatre-vingt-dix ans.
Our grandfather is ninety years old.