Let's calculate 6395 x 9921
6395 × 9921 = 9921 × (6395)
+ 9921 × 5 resulting in 49605
+ 9921 × 90 that equals 892890
+ 9921 × 300 what gives us 2976300
+ 9921 × 6000 resulting in 59526000

= 63444795
