No problem, we've got 4907 and 2851 to multiply
4907 × 2851 = 2851 × (4907)
+ 2851 × 7 producing 19957
+ 2851 × 00 resulting in 0
+ 2851 × 900 that results in 2565900
+ 2851 × 4000 yielding 11404000

= 13989857
