Alright, let's work through 1665 times 9830 step by step
1665 × 9830 = 9830 × (1665)
+ 9830 × 5 giving us 49150
+ 9830 × 60 producing 589800
+ 9830 × 600 that results in 5898000
+ 9830 × 1000 yielding 9830000

= 16366950
