Alright, let's work through 84899378 times 39562382 step by step
84899378 × 39562382 = 39562382 × (84899378)
+ 39562382 × 8 that equals 316499056
+ 39562382 × 70 giving us 2769366740
+ 39562382 × 300 which equals 11868714600
+ 39562382 × 9000 yielding 356061438000
+ 39562382 × 90000 resulting in 3560614380000
+ 39562382 × 800000 that results in 31649905600000
+ 39562382 × 4000000 yielding 158249528000000
+ 39562382 × 80000000 what gives us 3164990560000000

= 3358821623998396
