No problem, we've got 3344 and 5603 to multiply
3344 × 5603 = 5603 × (3344)
+ 5603 × 4 resulting in 22412
+ 5603 × 40 producing 224120
+ 5603 × 300 which equals 1680900
+ 5603 × 3000 yielding 16809000

= 18736432
