Alright, let's work through 6511 times 6879 step by step
6511 × 6879 = 6879 × (6511)
+ 6879 × 1 that is equal 6879
+ 6879 × 10 that is equal 68790
+ 6879 × 500 that is equal 3439500
+ 6879 × 6000 yielding 41274000

= 44789169
