Alright, let's work through 68834371 times 84543278 step by step
68834371 × 84543278 = 84543278 × (68834371)
+ 84543278 × 1 what gives us 84543278
+ 84543278 × 70 producing 5918029460
+ 84543278 × 300 that results in 25362983400
+ 84543278 × 4000 which equals 338173112000
+ 84543278 × 30000 which equals 2536298340000
+ 84543278 × 800000 producing 67634622400000
+ 84543278 × 8000000 producing 676346224000000
+ 84543278 × 60000000 what gives us 5072596680000000

= 5819483363408138
