We're going to solve 3921 multiplied by 4256
3921 × 4256 = 4256 × (3921)
+ 4256 × 1 which equals 4256
+ 4256 × 20 yielding 85120
+ 4256 × 900 that is equal 3830400
+ 4256 × 3000 that equals 12768000

= 16687776
