Alright, let's work through 45507728 times 90737244 step by step
45507728 × 90737244 = 90737244 × (45507728)
+ 90737244 × 8 giving us 725897952
+ 90737244 × 20 resulting in 1814744880
+ 90737244 × 700 producing 63516070800
+ 90737244 × 7000 producing 635160708000
+ 90737244 × 00000 which equals 0
+ 90737244 × 500000 producing 45368622000000
+ 90737244 × 5000000 that results in 453686220000000
+ 90737244 × 40000000 that equals 3629489760000000

= 4129245819421632
