Alright, let's work through 71597963 times 69892542 step by step
71597963 × 69892542 = 69892542 × (71597963)
+ 69892542 × 3 what gives us 209677626
+ 69892542 × 60 that is equal 4193552520
+ 69892542 × 900 what gives us 62903287800
+ 69892542 × 7000 that results in 489247794000
+ 69892542 × 90000 that is equal 6290328780000
+ 69892542 × 500000 resulting in 34946271000000
+ 69892542 × 1000000 which equals 69892542000000
+ 69892542 × 70000000 yielding 4892477940000000

= 5004163636091946
