Alright, let's work through 3330 times 823 step by step
3330 × 823 = 823 × (3330)
+ 823 × 0 giving us 0
+ 823 × 30 that equals 24690
+ 823 × 300 producing 246900
+ 823 × 3000 giving us 2469000

= 2740590
