Alright, let's work through 98085811 times 80264728 step by step
98085811 × 80264728 = 80264728 × (98085811)
+ 80264728 × 1 producing 80264728
+ 80264728 × 10 yielding 802647280
+ 80264728 × 800 yielding 64211782400
+ 80264728 × 5000 resulting in 401323640000
+ 80264728 × 80000 yielding 6421178240000
+ 80264728 × 000000 which equals 0
+ 80264728 × 8000000 that equals 642117824000000
+ 80264728 × 90000000 resulting in 7223825520000000

= 7872830940574408
