We're going to solve 8453 multiplied by 8003
8453 × 8003 = 8003 × (8453)
+ 8003 × 3 yielding 24009
+ 8003 × 50 giving us 400150
+ 8003 × 400 giving us 3201200
+ 8003 × 8000 resulting in 64024000

= 67649359
