No problem, we've got 6321 and 2600 to multiply
6321 × 2600 = 2600 × (6321)
+ 2600 × 1 producing 2600
+ 2600 × 20 giving us 52000
+ 2600 × 300 resulting in 780000
+ 2600 × 6000 producing 15600000

= 16434600
