Alright, let's work through 71515676 times 69407405 step by step
71515676 × 69407405 = 69407405 × (71515676)
+ 69407405 × 6 that results in 416444430
+ 69407405 × 70 which equals 4858518350
+ 69407405 × 600 resulting in 41644443000
+ 69407405 × 5000 yielding 347037025000
+ 69407405 × 10000 producing 694074050000
+ 69407405 × 500000 which equals 34703702500000
+ 69407405 × 1000000 giving us 69407405000000
+ 69407405 × 70000000 that is equal 4858518350000000

= 4963717487980780
