Alright, let's work through 9966 times 8313 step by step
9966 × 8313 = 8313 × (9966)
+ 8313 × 6 producing 49878
+ 8313 × 60 that results in 498780
+ 8313 × 900 that equals 7481700
+ 8313 × 9000 giving us 74817000

= 82847358
