We're going to solve 4220 multiplied by 8891
4220 × 8891 = 8891 × (4220)
+ 8891 × 0 that equals 0
+ 8891 × 20 giving us 177820
+ 8891 × 200 producing 1778200
+ 8891 × 4000 which equals 35564000

= 37520020
