No problem, we've got 6321 and 6728 to multiply
6321 × 6728 = 6728 × (6321)
+ 6728 × 1 that equals 6728
+ 6728 × 20 giving us 134560
+ 6728 × 300 producing 2018400
+ 6728 × 6000 that equals 40368000

= 42527688
