We're going to solve 1919 multiplied by 1605
1919 × 1605 = 1605 × (1919)
+ 1605 × 9 yielding 14445
+ 1605 × 10 what gives us 16050
+ 1605 × 900 giving us 1444500
+ 1605 × 1000 resulting in 1605000

= 3079995
