Alright, let's work through 42642388 times 85775858 step by step
42642388 × 85775858 = 85775858 × (42642388)
+ 85775858 × 8 giving us 686206864
+ 85775858 × 80 what gives us 6862068640
+ 85775858 × 300 producing 25732757400
+ 85775858 × 2000 that is equal 171551716000
+ 85775858 × 40000 what gives us 3431034320000
+ 85775858 × 600000 producing 51465514800000
+ 85775858 × 2000000 that is equal 171551716000000
+ 85775858 × 40000000 which equals 3431034320000000

= 3657687417868904
