Alright, let's work through 99473688 times 72049002 step by step
99473688 × 72049002 = 72049002 × (99473688)
+ 72049002 × 8 what gives us 576392016
+ 72049002 × 80 producing 5763920160
+ 72049002 × 600 giving us 43229401200
+ 72049002 × 3000 that is equal 216147006000
+ 72049002 × 70000 that results in 5043430140000
+ 72049002 × 400000 resulting in 28819600800000
+ 72049002 × 9000000 producing 648441018000000
+ 72049002 × 90000000 resulting in 6484410180000000

= 7166979945659376
