Let's calculate 42398629 x 73478629
42398629 × 73478629 = 73478629 × (42398629)
+ 73478629 × 9 producing 661307661
+ 73478629 × 20 giving us 1469572580
+ 73478629 × 600 producing 44087177400
+ 73478629 × 8000 giving us 587829032000
+ 73478629 × 90000 resulting in 6613076610000
+ 73478629 × 300000 what gives us 22043588700000
+ 73478629 × 2000000 which equals 146957258000000
+ 73478629 × 40000000 yielding 2939145160000000

= 3115393130399641
