We're going to solve 3929 multiplied by 1407
3929 × 1407 = 1407 × (3929)
+ 1407 × 9 what gives us 12663
+ 1407 × 20 that equals 28140
+ 1407 × 900 resulting in 1266300
+ 1407 × 3000 giving us 4221000

= 5528103
