We're going to solve 4423 multiplied by 4161
4423 × 4161 = 4161 × (4423)
+ 4161 × 3 resulting in 12483
+ 4161 × 20 yielding 83220
+ 4161 × 400 producing 1664400
+ 4161 × 4000 yielding 16644000

= 18404103
