No problem, we've got 8122 and 6339 to multiply
8122 × 6339 = 6339 × (8122)
+ 6339 × 2 giving us 12678
+ 6339 × 20 what gives us 126780
+ 6339 × 100 yielding 633900
+ 6339 × 8000 producing 50712000

= 51485358
