Alright, let's work through 78870585 times 41437828 step by step
78870585 × 41437828 = 41437828 × (78870585)
+ 41437828 × 5 what gives us 207189140
+ 41437828 × 80 giving us 3315026240
+ 41437828 × 500 what gives us 20718914000
+ 41437828 × 0000 what gives us 0
+ 41437828 × 70000 that results in 2900647960000
+ 41437828 × 800000 giving us 33150262400000
+ 41437828 × 8000000 that equals 331502624000000
+ 41437828 × 70000000 yielding 2900647960000000

= 3268225735489380
