Alright, let's work through 7766 times 8647 step by step
7766 × 8647 = 8647 × (7766)
+ 8647 × 6 that equals 51882
+ 8647 × 60 which equals 518820
+ 8647 × 700 that is equal 6052900
+ 8647 × 7000 yielding 60529000

= 67152602
