Alright, let's work through 90157896 times 43168091 step by step
90157896 × 43168091 = 43168091 × (90157896)
+ 43168091 × 6 producing 259008546
+ 43168091 × 90 giving us 3885128190
+ 43168091 × 800 producing 34534472800
+ 43168091 × 7000 giving us 302176637000
+ 43168091 × 50000 that results in 2158404550000
+ 43168091 × 100000 producing 4316809100000
+ 43168091 × 0000000 producing 0
+ 43168091 × 90000000 giving us 3885128190000000

= 3891944258896536
