We're going to solve 2129 multiplied by 1916
2129 × 1916 = 1916 × (2129)
+ 1916 × 9 what gives us 17244
+ 1916 × 20 producing 38320
+ 1916 × 100 producing 191600
+ 1916 × 2000 yielding 3832000

= 4079164
