Alright, let's work through 81724352 times 94748347 step by step
81724352 × 94748347 = 94748347 × (81724352)
+ 94748347 × 2 resulting in 189496694
+ 94748347 × 50 which equals 4737417350
+ 94748347 × 300 which equals 28424504100
+ 94748347 × 4000 which equals 378993388000
+ 94748347 × 20000 resulting in 1894966940000
+ 94748347 × 700000 that equals 66323842900000
+ 94748347 × 1000000 producing 94748347000000
+ 94748347 × 80000000 resulting in 7579867760000000

= 7743247261646144
