Alright, let's work through 8128791 times 34239749 step by step
8128791 × 34239749 = 34239749 × (8128791)
+ 34239749 × 1 that equals 34239749
+ 34239749 × 90 giving us 3081577410
+ 34239749 × 700 what gives us 23967824300
+ 34239749 × 8000 that is equal 273917992000
+ 34239749 × 20000 producing 684794980000
+ 34239749 × 100000 which equals 3423974900000
+ 34239749 × 8000000 producing 273917992000000

= 278327763513459
