Alright, let's work through 21078227 times 46473449 step by step
21078227 × 46473449 = 46473449 × (21078227)
+ 46473449 × 7 giving us 325314143
+ 46473449 × 20 producing 929468980
+ 46473449 × 200 that is equal 9294689800
+ 46473449 × 8000 resulting in 371787592000
+ 46473449 × 70000 yielding 3253141430000
+ 46473449 × 000000 giving us 0
+ 46473449 × 1000000 that is equal 46473449000000
+ 46473449 × 20000000 producing 929468980000000

= 979577907494923
