No problem, we've got 4023 and 7070 to multiply
4023 × 7070 = 7070 × (4023)
+ 7070 × 3 yielding 21210
+ 7070 × 20 producing 141400
+ 7070 × 000 resulting in 0
+ 7070 × 4000 producing 28280000

= 28442610
