We're going to solve 3623 multiplied by 1319
3623 × 1319 = 1319 × (3623)
+ 1319 × 3 resulting in 3957
+ 1319 × 20 what gives us 26380
+ 1319 × 600 resulting in 791400
+ 1319 × 3000 resulting in 3957000

= 4778737
