All of the stats are then figured out to make the Final Stat Value (FSV) by the following calculation:
AdditiveBonus + (AdditiveBonus + BaseValue) * MultiplicativeBonus
This also means that the additive bonuses (from items only!) you're getting apply twice; once before the calculation of Multiplication, and then once afterwards.
(Code: ehp, eatk, edef, espd, eluk)