Alright, let's work through 45254154 times 49101552 step by step
45254154 × 49101552 = 49101552 × (45254154)
+ 49101552 × 4 that equals 196406208
+ 49101552 × 50 that is equal 2455077600
+ 49101552 × 100 producing 4910155200
+ 49101552 × 4000 resulting in 196406208000
+ 49101552 × 50000 which equals 2455077600000
+ 49101552 × 200000 what gives us 9820310400000
+ 49101552 × 5000000 what gives us 245507760000000
+ 49101552 × 40000000 giving us 1964062080000000

= 2222049195847008
