No problem, we've got 7653 and 2789 to multiply
7653 × 2789 = 2789 × (7653)
+ 2789 × 3 giving us 8367
+ 2789 × 50 resulting in 139450
+ 2789 × 600 that results in 1673400
+ 2789 × 7000 yielding 19523000

= 21344217
