No problem, we've got 3623 and 2545 to multiply
3623 × 2545 = 2545 × (3623)
+ 2545 × 3 what gives us 7635
+ 2545 × 20 giving us 50900
+ 2545 × 600 yielding 1527000
+ 2545 × 3000 which equals 7635000

= 9220535
