Alright, let's work through 7700 times 8538 step by step
7700 × 8538 = 8538 × (7700)
+ 8538 × 0 that is equal 0
+ 8538 × 00 that equals 0
+ 8538 × 700 yielding 5976600
+ 8538 × 7000 that results in 59766000

= 65742600
