No problem, we've got 1045 and 4006 to multiply
1045 × 4006 = 4006 × (1045)
+ 4006 × 5 resulting in 20030
+ 4006 × 40 which equals 160240
+ 4006 × 000 yielding 0
+ 4006 × 1000 yielding 4006000

= 4186270
