No problem, we've got 2103 and 6077 to multiply
2103 × 6077 = 6077 × (2103)
+ 6077 × 3 resulting in 18231
+ 6077 × 00 that is equal 0
+ 6077 × 100 that equals 607700
+ 6077 × 2000 which equals 12154000

= 12779931
