Alright, let's work through 90164062 times 86004960 step by step
90164062 × 86004960 = 86004960 × (90164062)
+ 86004960 × 2 producing 172009920
+ 86004960 × 60 that results in 5160297600
+ 86004960 × 000 resulting in 0
+ 86004960 × 4000 giving us 344019840000
+ 86004960 × 60000 that equals 5160297600000
+ 86004960 × 100000 producing 8600496000000
+ 86004960 × 0000000 what gives us 0
+ 86004960 × 90000000 that equals 7740446400000000

= 7754556545747520
