Alright, let's work through 6404 times 7034 step by step
6404 × 7034 = 7034 × (6404)
+ 7034 × 4 giving us 28136
+ 7034 × 00 what gives us 0
+ 7034 × 400 that equals 2813600
+ 7034 × 6000 yielding 42204000

= 45045736
