No problem, we've got 2680 and 6455 to multiply
2680 × 6455 = 6455 × (2680)
+ 6455 × 0 that equals 0
+ 6455 × 80 which equals 516400
+ 6455 × 600 which equals 3873000
+ 6455 × 2000 resulting in 12910000

= 17299400
