We're going to solve 4440 multiplied by 6401
4440 × 6401 = 6401 × (4440)
+ 6401 × 0 that results in 0
+ 6401 × 40 producing 256040
+ 6401 × 400 yielding 2560400
+ 6401 × 4000 that is equal 25604000

= 28420440
