Alright, let's work through 83116179 times 48130915 step by step
83116179 × 48130915 = 48130915 × (83116179)
+ 48130915 × 9 giving us 433178235
+ 48130915 × 70 that equals 3369164050
+ 48130915 × 100 producing 4813091500
+ 48130915 × 6000 resulting in 288785490000
+ 48130915 × 10000 which equals 481309150000
+ 48130915 × 100000 what gives us 4813091500000
+ 48130915 × 3000000 giving us 144392745000000
+ 48130915 × 80000000 producing 3850473200000000

= 4000457746573785
