Alright, let's work through 3006 times 5160 step by step
3006 × 5160 = 5160 × (3006)
+ 5160 × 6 that results in 30960
+ 5160 × 00 which equals 0
+ 5160 × 000 producing 0
+ 5160 × 3000 giving us 15480000

= 15510960
