Talk:Candy/@comment-24149860-20141010200939/@comment-24149860-20141012083457

It's already there Woflie. L27 tells you how many gems you need to spend on double days to get to the last prize, provided you get the "your max" values of candy for the rest of your days and leave gems in L7 at 0. It is calculated every day from current day to the end of the event.