We're going to solve 3980 multiplied by 5591
3980 × 5591 = 5591 × (3980)
+ 5591 × 0 giving us 0
+ 5591 × 80 that is equal 447280
+ 5591 × 900 giving us 5031900
+ 5591 × 3000 which equals 16773000

= 22252180
