Alright, let's work through 8240 times 3091 step by step
8240 × 3091 = 3091 × (8240)
+ 3091 × 0 that results in 0
+ 3091 × 40 giving us 123640
+ 3091 × 200 that is equal 618200
+ 3091 × 8000 producing 24728000

= 25469840
