Alright, let's work through 6624 times 6419 step by step
6624 × 6419 = 6419 × (6624)
+ 6419 × 4 producing 25676
+ 6419 × 20 that equals 128380
+ 6419 × 600 resulting in 3851400
+ 6419 × 6000 that results in 38514000

= 42519456
