No problem, we've got 2661 and 4509 to multiply
2661 × 4509 = 4509 × (2661)
+ 4509 × 1 giving us 4509
+ 4509 × 60 resulting in 270540
+ 4509 × 600 that is equal 2705400
+ 4509 × 2000 what gives us 9018000

= 11998449
