We're going to solve 1623 multiplied by 1326
1623 × 1326 = 1326 × (1623)
+ 1326 × 3 what gives us 3978
+ 1326 × 20 resulting in 26520
+ 1326 × 600 which equals 795600
+ 1326 × 1000 producing 1326000

= 2152098
