We're going to solve 6463 multiplied by 3306
6463 × 3306 = 3306 × (6463)
+ 3306 × 3 which equals 9918
+ 3306 × 60 that is equal 198360
+ 3306 × 400 yielding 1322400
+ 3306 × 6000 resulting in 19836000

= 21366678
