Alright, let's work through 78278188 times 79205676 step by step
78278188 × 79205676 = 79205676 × (78278188)
+ 79205676 × 8 that results in 633645408
+ 79205676 × 80 which equals 6336454080
+ 79205676 × 100 giving us 7920567600
+ 79205676 × 8000 that results in 633645408000
+ 79205676 × 70000 giving us 5544397320000
+ 79205676 × 200000 which equals 15841135200000
+ 79205676 × 8000000 giving us 633645408000000
+ 79205676 × 70000000 resulting in 5544397320000000

= 6200076796595088
