Alright, let's work through 71271057 times 39125367 step by step
71271057 × 39125367 = 39125367 × (71271057)
+ 39125367 × 7 what gives us 273877569
+ 39125367 × 50 resulting in 1956268350
+ 39125367 × 000 what gives us 0
+ 39125367 × 1000 that equals 39125367000
+ 39125367 × 70000 which equals 2738775690000
+ 39125367 × 200000 yielding 7825073400000
+ 39125367 × 1000000 that equals 39125367000000
+ 39125367 × 70000000 that equals 2738775690000000

= 2788506261602919
