Alright, let's work through 8139 times 6993 step by step
8139 × 6993 = 6993 × (8139)
+ 6993 × 9 that results in 62937
+ 6993 × 30 resulting in 209790
+ 6993 × 100 yielding 699300
+ 6993 × 8000 resulting in 55944000

= 56916027
