No problem, we've got 1344 and 4255 to multiply
1344 × 4255 = 4255 × (1344)
+ 4255 × 4 giving us 17020
+ 4255 × 40 producing 170200
+ 4255 × 300 giving us 1276500
+ 4255 × 1000 yielding 4255000

= 5718720
