Alright, let's work through 71334005 times 72033899 step by step
71334005 × 72033899 = 72033899 × (71334005)
+ 72033899 × 5 yielding 360169495
+ 72033899 × 00 that equals 0
+ 72033899 × 000 resulting in 0
+ 72033899 × 4000 resulting in 288135596000
+ 72033899 × 30000 that equals 2161016970000
+ 72033899 × 300000 which equals 21610169700000
+ 72033899 × 1000000 yielding 72033899000000
+ 72033899 × 70000000 what gives us 5042372930000000

= 5138466511435495
