Alright, let's work through 3040 times 5205 step by step
3040 × 5205 = 5205 × (3040)
+ 5205 × 0 that results in 0
+ 5205 × 40 yielding 208200
+ 5205 × 000 resulting in 0
+ 5205 × 3000 producing 15615000

= 15823200
