Alright, let's work through 80845217 times 88502006 step by step
80845217 × 88502006 = 88502006 × (80845217)
+ 88502006 × 7 producing 619514042
+ 88502006 × 10 that results in 885020060
+ 88502006 × 200 that results in 17700401200
+ 88502006 × 5000 what gives us 442510030000
+ 88502006 × 40000 that results in 3540080240000
+ 88502006 × 800000 that is equal 70801604800000
+ 88502006 × 0000000 producing 0
+ 88502006 × 80000000 producing 7080160480000000

= 7154963880005302
