Alright, let's work through 64880848 times 35397473 step by step
64880848 × 35397473 = 35397473 × (64880848)
+ 35397473 × 8 resulting in 283179784
+ 35397473 × 40 that equals 1415898920
+ 35397473 × 800 that results in 28317978400
+ 35397473 × 0000 which equals 0
+ 35397473 × 80000 producing 2831797840000
+ 35397473 × 800000 that is equal 28317978400000
+ 35397473 × 4000000 which equals 141589892000000
+ 35397473 × 60000000 giving us 2123848380000000

= 2296618065297104
