The gift that Santa is giving him is that he finally gets a good tree. Seems simple. The look on his face is shock that something finally went right for him.
If the problem is in quinary then the answer is 11.25 in decimal or 2denifednu in quinary (whatever that means). P.S. you can find just about any sort of calculator on the internet these days.
Ok, that does make a difference. It was not obvious since we might not have known that “Heiligs Blechle no amol!” is a common Swabian phrase.