Alright, let's work through 83960309 times 74154782 step by step
83960309 × 74154782 = 74154782 × (83960309)
+ 74154782 × 9 giving us 667393038
+ 74154782 × 00 that equals 0
+ 74154782 × 300 yielding 22246434600
+ 74154782 × 0000 producing 0
+ 74154782 × 60000 resulting in 4449286920000
+ 74154782 × 900000 resulting in 66739303800000
+ 74154782 × 3000000 what gives us 222464346000000
+ 74154782 × 80000000 yielding 5932382560000000

= 6226058410547638
