No problem, we've got 3604 and 4643 to multiply
3604 × 4643 = 4643 × (3604)
+ 4643 × 4 what gives us 18572
+ 4643 × 00 producing 0
+ 4643 × 600 that equals 2785800
+ 4643 × 3000 producing 13929000

= 16733372
