We're going to solve 1407 multiplied by 3994
1407 × 3994 = 3994 × (1407)
+ 3994 × 7 producing 27958
+ 3994 × 00 yielding 0
+ 3994 × 400 that results in 1597600
+ 3994 × 1000 resulting in 3994000

= 5619558
