No problem, we've got 4556 and 3997 to multiply
4556 × 3997 = 3997 × (4556)
+ 3997 × 6 giving us 23982
+ 3997 × 50 which equals 199850
+ 3997 × 500 that is equal 1998500
+ 3997 × 4000 yielding 15988000

= 18210332
