Alright, let's work through 83038888 times 97838197 step by step
83038888 × 97838197 = 97838197 × (83038888)
+ 97838197 × 8 which equals 782705576
+ 97838197 × 80 that results in 7827055760
+ 97838197 × 800 which equals 78270557600
+ 97838197 × 8000 that equals 782705576000
+ 97838197 × 30000 giving us 2935145910000
+ 97838197 × 000000 what gives us 0
+ 97838197 × 3000000 which equals 293514591000000
+ 97838197 × 80000000 resulting in 7827055760000000

= 8124375082804936
