Let's calculate 2973 x 1821
2973 × 1821 = 1821 × (2973)
+ 1821 × 3 what gives us 5463
+ 1821 × 70 that is equal 127470
+ 1821 × 900 which equals 1638900
+ 1821 × 2000 that results in 3642000

= 5413833
