Alright, let's work through 6663 times 2513 step by step
6663 × 2513 = 2513 × (6663)
+ 2513 × 3 giving us 7539
+ 2513 × 60 yielding 150780
+ 2513 × 600 resulting in 1507800
+ 2513 × 6000 that is equal 15078000

= 16744119
