No problem, we've got 2779 and 4455 to multiply
2779 × 4455 = 4455 × (2779)
+ 4455 × 9 resulting in 40095
+ 4455 × 70 which equals 311850
+ 4455 × 700 that results in 3118500
+ 4455 × 2000 that results in 8910000

= 12380445
