Alright, let's work through 6409 times 5553 step by step
6409 × 5553 = 5553 × (6409)
+ 5553 × 9 that equals 49977
+ 5553 × 00 that results in 0
+ 5553 × 400 which equals 2221200
+ 5553 × 6000 yielding 33318000

= 35589177
