Alright, let's work through 4641 times 6478 step by step
4641 × 6478 = 6478 × (4641)
+ 6478 × 1 what gives us 6478
+ 6478 × 40 yielding 259120
+ 6478 × 600 producing 3886800
+ 6478 × 4000 that is equal 25912000

= 30064398
