Alright, let's work through 5109 times 8240 step by step
5109 × 8240 = 8240 × (5109)
+ 8240 × 9 that equals 74160
+ 8240 × 00 producing 0
+ 8240 × 100 that results in 824000
+ 8240 × 5000 that is equal 41200000

= 42098160
