We're going to solve 1623 multiplied by 5561
1623 × 5561 = 5561 × (1623)
+ 5561 × 3 what gives us 16683
+ 5561 × 20 that equals 111220
+ 5561 × 600 resulting in 3336600
+ 5561 × 1000 yielding 5561000

= 9025503
