Alright, let's work through 64795493 times 81794338 step by step
64795493 × 81794338 = 81794338 × (64795493)
+ 81794338 × 3 that equals 245383014
+ 81794338 × 90 that results in 7361490420
+ 81794338 × 400 giving us 32717735200
+ 81794338 × 5000 that results in 408971690000
+ 81794338 × 90000 giving us 7361490420000
+ 81794338 × 700000 yielding 57256036600000
+ 81794338 × 4000000 which equals 327177352000000
+ 81794338 × 60000000 resulting in 4907660280000000

= 5299904455318634
