Alright, let's work through 8240 times 9484 step by step
8240 × 9484 = 9484 × (8240)
+ 9484 × 0 that equals 0
+ 9484 × 40 that results in 379360
+ 9484 × 200 giving us 1896800
+ 9484 × 8000 producing 75872000

= 78148160
