Alright, let's work through 7953 times 8511 step by step
7953 × 8511 = 8511 × (7953)
+ 8511 × 3 yielding 25533
+ 8511 × 50 producing 425550
+ 8511 × 900 what gives us 7659900
+ 8511 × 7000 producing 59577000

= 67687983
