No problem, we've got 4057 and 1642 to multiply
4057 × 1642 = 1642 × (4057)
+ 1642 × 7 that results in 11494
+ 1642 × 50 yielding 82100
+ 1642 × 000 producing 0
+ 1642 × 4000 resulting in 6568000

= 6661594
