No problem, we've got 4623 and 2642 to multiply
4623 × 2642 = 2642 × (4623)
+ 2642 × 3 giving us 7926
+ 2642 × 20 yielding 52840
+ 2642 × 600 giving us 1585200
+ 2642 × 4000 producing 10568000

= 12213966
