Alright, let's work through 90384989 times 73048699 step by step
90384989 × 73048699 = 73048699 × (90384989)
+ 73048699 × 9 resulting in 657438291
+ 73048699 × 80 yielding 5843895920
+ 73048699 × 900 resulting in 65743829100
+ 73048699 × 4000 that equals 292194796000
+ 73048699 × 80000 giving us 5843895920000
+ 73048699 × 300000 what gives us 21914609700000
+ 73048699 × 0000000 yielding 0
+ 73048699 × 90000000 that is equal 6574382910000000

= 6602505855579311
