We're going to solve 3921 multiplied by 7307
3921 × 7307 = 7307 × (3921)
+ 7307 × 1 that is equal 7307
+ 7307 × 20 that results in 146140
+ 7307 × 900 resulting in 6576300
+ 7307 × 3000 yielding 21921000

= 28650747
