Alright, let's work through 64979814 times 68636364 step by step
64979814 × 68636364 = 68636364 × (64979814)
+ 68636364 × 4 giving us 274545456
+ 68636364 × 10 which equals 686363640
+ 68636364 × 800 producing 54909091200
+ 68636364 × 9000 that results in 617727276000
+ 68636364 × 70000 that equals 4804545480000
+ 68636364 × 900000 which equals 61772727600000
+ 68636364 × 4000000 that equals 274545456000000
+ 68636364 × 60000000 that is equal 4118181840000000

= 4459978166356296
