No problem, we've got 3807 and 8240 to multiply
3807 × 8240 = 8240 × (3807)
+ 8240 × 7 that is equal 57680
+ 8240 × 00 what gives us 0
+ 8240 × 800 giving us 6592000
+ 8240 × 3000 resulting in 24720000

= 31369680
