We're going to solve 7503 multiplied by 2643
7503 × 2643 = 2643 × (7503)
+ 2643 × 3 that results in 7929
+ 2643 × 00 yielding 0
+ 2643 × 500 that results in 1321500
+ 2643 × 7000 which equals 18501000

= 19830429
