Alright, let's work through 7640 times 8827 step by step
7640 × 8827 = 8827 × (7640)
+ 8827 × 0 yielding 0
+ 8827 × 40 producing 353080
+ 8827 × 600 giving us 5296200
+ 8827 × 7000 yielding 61789000

= 67438280
