Alright, let's work through 83006268 times 80013290 step by step
83006268 × 80013290 = 80013290 × (83006268)
+ 80013290 × 8 resulting in 640106320
+ 80013290 × 60 producing 4800797400
+ 80013290 × 200 yielding 16002658000
+ 80013290 × 6000 giving us 480079740000
+ 80013290 × 00000 giving us 0
+ 80013290 × 000000 what gives us 0
+ 80013290 × 3000000 that equals 240039870000000
+ 80013290 × 80000000 producing 6401063200000000

= 6641604593301720
