Alright, let's work through 30394624 times 409893 step by step
30394624 × 409893 = 409893 × (30394624)
+ 409893 × 4 giving us 1639572
+ 409893 × 20 yielding 8197860
+ 409893 × 600 yielding 245935800
+ 409893 × 4000 yielding 1639572000
+ 409893 × 90000 that results in 36890370000
+ 409893 × 300000 giving us 122967900000
+ 409893 × 0000000 resulting in 0
+ 409893 × 30000000 that equals 12296790000000

= 12458543615232
