Alright, let's work through 85156362 times 71984669 step by step
85156362 × 71984669 = 71984669 × (85156362)
+ 71984669 × 2 yielding 143969338
+ 71984669 × 60 giving us 4319080140
+ 71984669 × 300 what gives us 21595400700
+ 71984669 × 6000 producing 431908014000
+ 71984669 × 50000 giving us 3599233450000
+ 71984669 × 100000 giving us 7198466900000
+ 71984669 × 5000000 yielding 359923345000000
+ 71984669 × 80000000 which equals 5758773520000000

= 6129952531814178
