Let's calculate 5647 x 8420
5647 × 8420 = 8420 × (5647)
+ 8420 × 7 that results in 58940
+ 8420 × 40 producing 336800
+ 8420 × 600 giving us 5052000
+ 8420 × 5000 that results in 42100000

= 47547740
