Let's calculate 7997 x 8311
7997 × 8311 = 8311 × (7997)
+ 8311 × 7 producing 58177
+ 8311 × 90 that results in 747990
+ 8311 × 900 resulting in 7479900
+ 8311 × 7000 that is equal 58177000

= 66463067
