No problem, we've got 6840 and 4322 to multiply
6840 × 4322 = 4322 × (6840)
+ 4322 × 0 yielding 0
+ 4322 × 40 producing 172880
+ 4322 × 800 which equals 3457600
+ 4322 × 6000 that results in 25932000

= 29562480
