No problem, we've got 3497 and 4455 to multiply
3497 × 4455 = 4455 × (3497)
+ 4455 × 7 what gives us 31185
+ 4455 × 90 giving us 400950
+ 4455 × 400 giving us 1782000
+ 4455 × 3000 that results in 13365000

= 15579135
