Alright, let's work through 9647 times 8240 step by step
9647 × 8240 = 8240 × (9647)
+ 8240 × 7 what gives us 57680
+ 8240 × 40 resulting in 329600
+ 8240 × 600 yielding 4944000
+ 8240 × 9000 resulting in 74160000

= 79491280
