Alright, let's work through 5121 times 3836 step by step
5121 × 3836 = 3836 × (5121)
+ 3836 × 1 producing 3836
+ 3836 × 20 that results in 76720
+ 3836 × 100 that equals 383600
+ 3836 × 5000 which equals 19180000

= 19644156
