Let's calculate 2642 x 2087
2642 × 2087 = 2087 × (2642)
+ 2087 × 2 what gives us 4174
+ 2087 × 40 that results in 83480
+ 2087 × 600 which equals 1252200
+ 2087 × 2000 that results in 4174000

= 5513854
