Alright, let's work through 6507 times 8240 step by step
6507 × 8240 = 8240 × (6507)
+ 8240 × 7 yielding 57680
+ 8240 × 00 that equals 0
+ 8240 × 500 yielding 4120000
+ 8240 × 6000 what gives us 49440000

= 53617680
