Alright, let's work through 86748748 times 97205331 step by step
86748748 × 97205331 = 97205331 × (86748748)
+ 97205331 × 8 resulting in 777642648
+ 97205331 × 40 producing 3888213240
+ 97205331 × 700 that results in 68043731700
+ 97205331 × 8000 producing 777642648000
+ 97205331 × 40000 yielding 3888213240000
+ 97205331 × 700000 producing 68043731700000
+ 97205331 × 6000000 which equals 583231986000000
+ 97205331 × 80000000 resulting in 7776426480000000

= 8432440763175588
