Alright, let's work through 71195568 times 52657437 step by step
71195568 × 52657437 = 52657437 × (71195568)
+ 52657437 × 8 producing 421259496
+ 52657437 × 60 that is equal 3159446220
+ 52657437 × 500 that equals 26328718500
+ 52657437 × 5000 yielding 263287185000
+ 52657437 × 90000 that equals 4739169330000
+ 52657437 × 100000 yielding 5265743700000
+ 52657437 × 1000000 giving us 52657437000000
+ 52657437 × 70000000 giving us 3686020590000000

= 3748976136639216
