Alright, let's work through 98000001 times 80355328 step by step
98000001 × 80355328 = 80355328 × (98000001)
+ 80355328 × 1 which equals 80355328
+ 80355328 × 00 producing 0
+ 80355328 × 000 which equals 0
+ 80355328 × 0000 producing 0
+ 80355328 × 00000 resulting in 0
+ 80355328 × 000000 yielding 0
+ 80355328 × 8000000 resulting in 642842624000000
+ 80355328 × 90000000 what gives us 7231979520000000

= 7874822224355328
