No problem, we've got 4091 and 7541 to multiply
4091 × 7541 = 7541 × (4091)
+ 7541 × 1 that equals 7541
+ 7541 × 90 which equals 678690
+ 7541 × 000 which equals 0
+ 7541 × 4000 that equals 30164000

= 30850231
