No problem, we've got 1323 and 2556 to multiply
1323 × 2556 = 2556 × (1323)
+ 2556 × 3 that equals 7668
+ 2556 × 20 giving us 51120
+ 2556 × 300 that is equal 766800
+ 2556 × 1000 that equals 2556000

= 3381588
