Alright, let's work through 64315735 times 13930029 step by step
64315735 × 13930029 = 13930029 × (64315735)
+ 13930029 × 5 that results in 69650145
+ 13930029 × 30 that results in 417900870
+ 13930029 × 700 giving us 9751020300
+ 13930029 × 5000 producing 69650145000
+ 13930029 × 10000 what gives us 139300290000
+ 13930029 × 300000 yielding 4179008700000
+ 13930029 × 4000000 resulting in 55720116000000
+ 13930029 × 60000000 which equals 835801740000000

= 895920053706315
