Alright, let's work through 5819 times 2178 step by step
5819 × 2178 = 2178 × (5819)
+ 2178 × 9 producing 19602
+ 2178 × 10 that equals 21780
+ 2178 × 800 that equals 1742400
+ 2178 × 5000 resulting in 10890000

= 12673782
