Alright, let's work through 6430 times 6617 step by step
6430 × 6617 = 6617 × (6430)
+ 6617 × 0 that is equal 0
+ 6617 × 30 yielding 198510
+ 6617 × 400 resulting in 2646800
+ 6617 × 6000 giving us 39702000

= 42547310
