Alright, let's work through 99425455 times 53366528 step by step
99425455 × 53366528 = 53366528 × (99425455)
+ 53366528 × 5 producing 266832640
+ 53366528 × 50 which equals 2668326400
+ 53366528 × 400 which equals 21346611200
+ 53366528 × 5000 that equals 266832640000
+ 53366528 × 20000 that results in 1067330560000
+ 53366528 × 400000 giving us 21346611200000
+ 53366528 × 9000000 that equals 480298752000000
+ 53366528 × 90000000 yielding 4802987520000000

= 5305991328170240
