No problem, we've got 2839 and 6434 to multiply
2839 × 6434 = 6434 × (2839)
+ 6434 × 9 what gives us 57906
+ 6434 × 30 giving us 193020
+ 6434 × 800 resulting in 5147200
+ 6434 × 2000 producing 12868000

= 18266126
