Alright, let's work through 39802073 times 19316396 step by step
39802073 × 19316396 = 19316396 × (39802073)
+ 19316396 × 3 producing 57949188
+ 19316396 × 70 what gives us 1352147720
+ 19316396 × 000 producing 0
+ 19316396 × 2000 that equals 38632792000
+ 19316396 × 00000 what gives us 0
+ 19316396 × 800000 resulting in 15453116800000
+ 19316396 × 9000000 giving us 173847564000000
+ 19316396 × 30000000 producing 579491880000000

= 768832603688908
