Alright, let's work through 34785497 times 80816661 step by step
34785497 × 80816661 = 80816661 × (34785497)
+ 80816661 × 7 that results in 565716627
+ 80816661 × 90 giving us 7273499490
+ 80816661 × 400 which equals 32326664400
+ 80816661 × 5000 what gives us 404083305000
+ 80816661 × 80000 which equals 6465332880000
+ 80816661 × 700000 yielding 56571662700000
+ 80816661 × 4000000 which equals 323266644000000
+ 80816661 × 30000000 producing 2424499830000000

= 2811247718765517
