Alright, let's work through 7871 times 7917 step by step
7871 × 7917 = 7917 × (7871)
+ 7917 × 1 what gives us 7917
+ 7917 × 70 giving us 554190
+ 7917 × 800 giving us 6333600
+ 7917 × 7000 that results in 55419000

= 62314707
