Alright, let's work through 2820 times 8553 step by step
2820 × 8553 = 8553 × (2820)
+ 8553 × 0 giving us 0
+ 8553 × 20 resulting in 171060
+ 8553 × 800 producing 6842400
+ 8553 × 2000 which equals 17106000

= 24119460
