No problem, we've got 3643 and 7538 to multiply
3643 × 7538 = 7538 × (3643)
+ 7538 × 3 giving us 22614
+ 7538 × 40 producing 301520
+ 7538 × 600 that equals 4522800
+ 7538 × 3000 which equals 22614000

= 27460934
