Alright, let's work through 30804445 times 13640279 step by step
30804445 × 13640279 = 13640279 × (30804445)
+ 13640279 × 5 yielding 68201395
+ 13640279 × 40 giving us 545611160
+ 13640279 × 400 resulting in 5456111600
+ 13640279 × 4000 that is equal 54561116000
+ 13640279 × 00000 that equals 0
+ 13640279 × 800000 resulting in 10912223200000
+ 13640279 × 0000000 yielding 0
+ 13640279 × 30000000 producing 409208370000000

= 420181224240155
