Let's calculate 6787 x 6639
6787 × 6639 = 6639 × (6787)
+ 6639 × 7 that results in 46473
+ 6639 × 80 producing 531120
+ 6639 × 700 that equals 4647300
+ 6639 × 6000 that results in 39834000

= 45058893
