Alright, let's work through 81923013 times 97649595 step by step
81923013 × 97649595 = 97649595 × (81923013)
+ 97649595 × 3 that results in 292948785
+ 97649595 × 10 which equals 976495950
+ 97649595 × 000 giving us 0
+ 97649595 × 3000 that results in 292948785000
+ 97649595 × 20000 producing 1952991900000
+ 97649595 × 900000 that results in 87884635500000
+ 97649595 × 1000000 yielding 97649595000000
+ 97649595 × 80000000 that is equal 7811967600000000

= 7999749040629735
