We're going to solve 3991 multiplied by 5519
3991 × 5519 = 5519 × (3991)
+ 5519 × 1 which equals 5519
+ 5519 × 90 that is equal 496710
+ 5519 × 900 giving us 4967100
+ 5519 × 3000 which equals 16557000

= 22026329
