Alright, let's work through 2821 times 2705 step by step
2821 × 2705 = 2705 × (2821)
+ 2705 × 1 what gives us 2705
+ 2705 × 20 giving us 54100
+ 2705 × 800 giving us 2164000
+ 2705 × 2000 which equals 5410000

= 7630805
