[quote=Zarkun]
Right then, 27 it is!
[/quote]

lol I just typed the first number that came to mind XD
Gimme a bit... 
Hold on... 
Sarada will be about 42
Her son 12
Her husband (RIP for this RP) would have been around the same age. 
Naruto (RIP for this RP) and the rest of his generation would be old or dead (RIP for this RP).