We're going to solve 3891 multiplied by 5499
3891 × 5499 = 5499 × (3891)
+ 5499 × 1 that is equal 5499
+ 5499 × 90 resulting in 494910
+ 5499 × 800 yielding 4399200
+ 5499 × 3000 yielding 16497000

= 21396609
