No problem, we've got 3912 and 5260 to multiply
3912 × 5260 = 5260 × (3912)
+ 5260 × 2 that results in 10520
+ 5260 × 10 yielding 52600
+ 5260 × 900 resulting in 4734000
+ 5260 × 3000 producing 15780000

= 20577120
