We're going to solve 1665 multiplied by 7021
1665 × 7021 = 7021 × (1665)
+ 7021 × 5 resulting in 35105
+ 7021 × 60 that is equal 421260
+ 7021 × 600 yielding 4212600
+ 7021 × 1000 that results in 7021000

= 11689965
