No problem, we've got 2643 and 1445 to multiply
2643 × 1445 = 1445 × (2643)
+ 1445 × 3 that equals 4335
+ 1445 × 40 that results in 57800
+ 1445 × 600 producing 867000
+ 1445 × 2000 which equals 2890000

= 3819135
