Alright, let's work through 6608 times 2513 step by step
6608 × 2513 = 2513 × (6608)
+ 2513 × 8 yielding 20104
+ 2513 × 00 which equals 0
+ 2513 × 600 resulting in 1507800
+ 2513 × 6000 that equals 15078000

= 16605904
