We're going to solve 78254813 multiplied by 82378672
78254813 × 82378672 = 82378672 × (78254813)
+ 82378672 × 3 that equals 247136016
+ 82378672 × 10 giving us 823786720
+ 82378672 × 800 producing 65902937600
+ 82378672 × 4000 giving us 329514688000
+ 82378672 × 50000 producing 4118933600000
+ 82378672 × 200000 that results in 16475734400000
+ 82378672 × 8000000 yielding 659029376000000
+ 82378672 × 70000000 that equals 5766507040000000

= 6446527572548336
