Alright, let's work through 2821 times 7211 step by step
2821 × 7211 = 7211 × (2821)
+ 7211 × 1 which equals 7211
+ 7211 × 20 which equals 144220
+ 7211 × 800 giving us 5768800
+ 7211 × 2000 that equals 14422000

= 20342231
