We're going to solve 3836 multiplied by 1050
3836 × 1050 = 1050 × (3836)
+ 1050 × 6 yielding 6300
+ 1050 × 30 giving us 31500
+ 1050 × 800 what gives us 840000
+ 1050 × 3000 giving us 3150000

= 4027800
