Alright, let's work through 8643 times 6505 step by step
8643 × 6505 = 6505 × (8643)
+ 6505 × 3 giving us 19515
+ 6505 × 40 resulting in 260200
+ 6505 × 600 which equals 3903000
+ 6505 × 8000 that is equal 52040000

= 56222715
