Alright, let's work through 71730879 times 65608675 step by step
71730879 × 65608675 = 65608675 × (71730879)
+ 65608675 × 9 what gives us 590478075
+ 65608675 × 70 which equals 4592607250
+ 65608675 × 800 yielding 52486940000
+ 65608675 × 0000 producing 0
+ 65608675 × 30000 that is equal 1968260250000
+ 65608675 × 700000 what gives us 45926072500000
+ 65608675 × 1000000 which equals 65608675000000
+ 65608675 × 70000000 that equals 4592607250000000

= 4706167927775325
