No problem, we've got 2457 and 6844 to multiply
2457 × 6844 = 6844 × (2457)
+ 6844 × 7 producing 47908
+ 6844 × 50 giving us 342200
+ 6844 × 400 that is equal 2737600
+ 6844 × 2000 what gives us 13688000

= 16815708
