Alright, let's work through 3810 times 5156 step by step
3810 × 5156 = 5156 × (3810)
+ 5156 × 0 what gives us 0
+ 5156 × 10 which equals 51560
+ 5156 × 800 that is equal 4124800
+ 5156 × 3000 giving us 15468000

= 19644360
