Alright, let's work through 2821 times 1893 step by step
2821 × 1893 = 1893 × (2821)
+ 1893 × 1 that equals 1893
+ 1893 × 20 what gives us 37860
+ 1893 × 800 which equals 1514400
+ 1893 × 2000 what gives us 3786000

= 5340153
