Alright, let's work through 6618 times 995 step by step
6618 × 995 = 995 × (6618)
+ 995 × 8 what gives us 7960
+ 995 × 10 yielding 9950
+ 995 × 600 giving us 597000
+ 995 × 6000 yielding 5970000

= 6584910
