Alright, let's work through 5040669 times 80281971 step by step
5040669 × 80281971 = 80281971 × (5040669)
+ 80281971 × 9 giving us 722537739
+ 80281971 × 60 giving us 4816918260
+ 80281971 × 600 producing 48169182600
+ 80281971 × 0000 giving us 0
+ 80281971 × 40000 that equals 3211278840000
+ 80281971 × 000000 resulting in 0
+ 80281971 × 5000000 yielding 401409855000000

= 404674842478599
