Alright, let's work through 63475876 times 80322319 step by step
63475876 × 80322319 = 80322319 × (63475876)
+ 80322319 × 6 what gives us 481933914
+ 80322319 × 70 yielding 5622562330
+ 80322319 × 800 that results in 64257855200
+ 80322319 × 5000 resulting in 401611595000
+ 80322319 × 70000 that is equal 5622562330000
+ 80322319 × 400000 that results in 32128927600000
+ 80322319 × 3000000 resulting in 240966957000000
+ 80322319 × 60000000 producing 4819339140000000

= 5098529560876444
