Alright, let's work through 21700746 times 57974727 step by step
21700746 × 57974727 = 57974727 × (21700746)
+ 57974727 × 6 resulting in 347848362
+ 57974727 × 40 resulting in 2318989080
+ 57974727 × 700 giving us 40582308900
+ 57974727 × 0000 giving us 0
+ 57974727 × 00000 yielding 0
+ 57974727 × 700000 that is equal 40582308900000
+ 57974727 × 1000000 producing 57974727000000
+ 57974727 × 20000000 resulting in 1159494540000000

= 1258094825046342
