Alright, let's work through 64145321 times 29398227 step by step
64145321 × 29398227 = 29398227 × (64145321)
+ 29398227 × 1 which equals 29398227
+ 29398227 × 20 yielding 587964540
+ 29398227 × 300 that results in 8819468100
+ 29398227 × 5000 resulting in 146991135000
+ 29398227 × 40000 giving us 1175929080000
+ 29398227 × 100000 giving us 2939822700000
+ 29398227 × 4000000 yielding 117592908000000
+ 29398227 × 60000000 which equals 1763893620000000

= 1885758707745867
