No problem, we've got 6364 and 3344 to multiply
6364 × 3344 = 3344 × (6364)
+ 3344 × 4 giving us 13376
+ 3344 × 60 that results in 200640
+ 3344 × 300 which equals 1003200
+ 3344 × 6000 that results in 20064000

= 21281216
