We're going to solve 3854 multiplied by 5547
3854 × 5547 = 5547 × (3854)
+ 5547 × 4 which equals 22188
+ 5547 × 50 that equals 277350
+ 5547 × 800 which equals 4437600
+ 5547 × 3000 resulting in 16641000

= 21378138
