No problem, we've got 6347 and 1086 to multiply
6347 × 1086 = 1086 × (6347)
+ 1086 × 7 what gives us 7602
+ 1086 × 40 producing 43440
+ 1086 × 300 resulting in 325800
+ 1086 × 6000 yielding 6516000

= 6892842
