Alright, let's work through 81434710 times 34912247 step by step
81434710 × 34912247 = 34912247 × (81434710)
+ 34912247 × 0 giving us 0
+ 34912247 × 10 resulting in 349122470
+ 34912247 × 700 that results in 24438572900
+ 34912247 × 4000 that equals 139648988000
+ 34912247 × 30000 resulting in 1047367410000
+ 34912247 × 400000 that results in 13964898800000
+ 34912247 × 1000000 what gives us 34912247000000
+ 34912247 × 80000000 giving us 2792979760000000

= 2843068709893370
