Alright, let's work through 78880166 times 86290482 step by step
78880166 × 86290482 = 86290482 × (78880166)
+ 86290482 × 6 giving us 517742892
+ 86290482 × 60 producing 5177428920
+ 86290482 × 100 giving us 8629048200
+ 86290482 × 0000 that is equal 0
+ 86290482 × 80000 producing 6903238560000
+ 86290482 × 800000 giving us 69032385600000
+ 86290482 × 8000000 producing 690323856000000
+ 86290482 × 70000000 yielding 6040333740000000

= 6806607544380012
