No problem, we've got 6803 and 8400 to multiply
6803 × 8400 = 8400 × (6803)
+ 8400 × 3 giving us 25200
+ 8400 × 00 yielding 0
+ 8400 × 800 which equals 6720000
+ 8400 × 6000 producing 50400000

= 57145200
