Alright, let's work through 97668538 times 86253418 step by step
97668538 × 86253418 = 86253418 × (97668538)
+ 86253418 × 8 that results in 690027344
+ 86253418 × 30 giving us 2587602540
+ 86253418 × 500 which equals 43126709000
+ 86253418 × 8000 what gives us 690027344000
+ 86253418 × 60000 that equals 5175205080000
+ 86253418 × 600000 yielding 51752050800000
+ 86253418 × 7000000 which equals 603773926000000
+ 86253418 × 90000000 producing 7762807620000000

= 8424245233562884
