Alright, let's work through 6466 times 4409 step by step
6466 × 4409 = 4409 × (6466)
+ 4409 × 6 that equals 26454
+ 4409 × 60 what gives us 264540
+ 4409 × 400 resulting in 1763600
+ 4409 × 6000 that results in 26454000

= 28508594
