Alright, let's work through 90912012 times 12677423 step by step
90912012 × 12677423 = 12677423 × (90912012)
+ 12677423 × 2 that equals 25354846
+ 12677423 × 10 resulting in 126774230
+ 12677423 × 000 which equals 0
+ 12677423 × 2000 that equals 25354846000
+ 12677423 × 10000 that results in 126774230000
+ 12677423 × 900000 resulting in 11409680700000
+ 12677423 × 0000000 resulting in 0
+ 12677423 × 90000000 which equals 1140968070000000

= 1152530031905076
