Alright, let's work through 4871 times 8240 step by step
4871 × 8240 = 8240 × (4871)
+ 8240 × 1 producing 8240
+ 8240 × 70 yielding 576800
+ 8240 × 800 what gives us 6592000
+ 8240 × 4000 which equals 32960000

= 40137040
