Alright, let's work through 4948197 times 78789437 step by step
4948197 × 78789437 = 78789437 × (4948197)
+ 78789437 × 7 giving us 551526059
+ 78789437 × 90 which equals 7091049330
+ 78789437 × 100 yielding 7878943700
+ 78789437 × 8000 resulting in 630315496000
+ 78789437 × 40000 that equals 3151577480000
+ 78789437 × 900000 giving us 70910493300000
+ 78789437 × 4000000 that equals 315157748000000

= 389865655795089
