Alright, let's work through 80844150 times 99499335 step by step
80844150 × 99499335 = 99499335 × (80844150)
+ 99499335 × 0 which equals 0
+ 99499335 × 50 resulting in 4974966750
+ 99499335 × 100 resulting in 9949933500
+ 99499335 × 4000 that results in 397997340000
+ 99499335 × 40000 what gives us 3979973400000
+ 99499335 × 800000 giving us 79599468000000
+ 99499335 × 0000000 yielding 0
+ 99499335 × 80000000 yielding 7959946800000000

= 8043939163640250
