Let's calculate 6789 x 9620
6789 × 9620 = 9620 × (6789)
+ 9620 × 9 that equals 86580
+ 9620 × 80 that results in 769600
+ 9620 × 700 that results in 6734000
+ 9620 × 6000 producing 57720000

= 65310180
