Alright, let's work through 38407500 times 20116634 step by step
38407500 × 20116634 = 20116634 × (38407500)
+ 20116634 × 0 which equals 0
+ 20116634 × 00 yielding 0
+ 20116634 × 500 resulting in 10058317000
+ 20116634 × 7000 producing 140816438000
+ 20116634 × 00000 yielding 0
+ 20116634 × 400000 that is equal 8046653600000
+ 20116634 × 8000000 what gives us 160933072000000
+ 20116634 × 30000000 yielding 603499020000000

= 772629620355000
