Alright, let's work through 1820 times 2508 step by step
1820 × 2508 = 2508 × (1820)
+ 2508 × 0 giving us 0
+ 2508 × 20 that results in 50160
+ 2508 × 800 which equals 2006400
+ 2508 × 1000 producing 2508000

= 4564560
