Alright, let's work through 39968740 times 10487736 step by step
39968740 × 10487736 = 10487736 × (39968740)
+ 10487736 × 0 yielding 0
+ 10487736 × 40 resulting in 419509440
+ 10487736 × 700 which equals 7341415200
+ 10487736 × 8000 producing 83901888000
+ 10487736 × 60000 yielding 629264160000
+ 10487736 × 900000 which equals 9438962400000
+ 10487736 × 9000000 which equals 94389624000000
+ 10487736 × 30000000 what gives us 314632080000000

= 419181593372640
