Alright, let's work through 90509496 times 43594041 step by step
90509496 × 43594041 = 43594041 × (90509496)
+ 43594041 × 6 giving us 261564246
+ 43594041 × 90 that results in 3923463690
+ 43594041 × 400 that results in 17437616400
+ 43594041 × 9000 which equals 392346369000
+ 43594041 × 00000 resulting in 0
+ 43594041 × 500000 giving us 21797020500000
+ 43594041 × 0000000 which equals 0
+ 43594041 × 90000000 producing 3923463690000000

= 3945674679513336
