Alright, let's work through 71251271 times 53197214 step by step
71251271 × 53197214 = 53197214 × (71251271)
+ 53197214 × 1 which equals 53197214
+ 53197214 × 70 that results in 3723804980
+ 53197214 × 200 that results in 10639442800
+ 53197214 × 1000 giving us 53197214000
+ 53197214 × 50000 producing 2659860700000
+ 53197214 × 200000 which equals 10639442800000
+ 53197214 × 1000000 which equals 53197214000000
+ 53197214 × 70000000 what gives us 3723804980000000

= 3790369111158994
