Alright, let's work through 71207844 times 69914091 step by step
71207844 × 69914091 = 69914091 × (71207844)
+ 69914091 × 4 yielding 279656364
+ 69914091 × 40 what gives us 2796563640
+ 69914091 × 800 resulting in 55931272800
+ 69914091 × 7000 that results in 489398637000
+ 69914091 × 00000 that equals 0
+ 69914091 × 200000 which equals 13982818200000
+ 69914091 × 1000000 producing 69914091000000
+ 69914091 × 70000000 producing 4893986370000000

= 4978431685329804
