Alright, let's work through 42125222 times 82507990 step by step
42125222 × 82507990 = 82507990 × (42125222)
+ 82507990 × 2 which equals 165015980
+ 82507990 × 20 producing 1650159800
+ 82507990 × 200 what gives us 16501598000
+ 82507990 × 5000 giving us 412539950000
+ 82507990 × 20000 producing 1650159800000
+ 82507990 × 100000 which equals 8250799000000
+ 82507990 × 2000000 that results in 165015980000000
+ 82507990 × 40000000 resulting in 3300319600000000

= 3475667395523780
