We're going to solve 3922 multiplied by 7815
3922 × 7815 = 7815 × (3922)
+ 7815 × 2 producing 15630
+ 7815 × 20 that is equal 156300
+ 7815 × 900 giving us 7033500
+ 7815 × 3000 resulting in 23445000

= 30650430
