To get the answer, you need to calculate this:
19 donees (5 married children + 5 spouses + 9 grandchildren) ×$14,000 (annual exclusion for 2016) × 2 donors (Elijah and Anastasia) = 19(14000) (2)
=19(28000)
=532,000
Through this, you will get the answer of $532,000