Alright, let's work through 39408655 times 71531449 step by step
39408655 × 71531449 = 71531449 × (39408655)
+ 71531449 × 5 which equals 357657245
+ 71531449 × 50 producing 3576572450
+ 71531449 × 600 that equals 42918869400
+ 71531449 × 8000 which equals 572251592000
+ 71531449 × 00000 what gives us 0
+ 71531449 × 400000 giving us 28612579600000
+ 71531449 × 9000000 yielding 643783041000000
+ 71531449 × 30000000 that is equal 2145943470000000

= 2818958195291095
