We're going to solve 5603 multiplied by 7815
5603 × 7815 = 7815 × (5603)
+ 7815 × 3 producing 23445
+ 7815 × 00 yielding 0
+ 7815 × 600 which equals 4689000
+ 7815 × 5000 resulting in 39075000

= 43787445
