No problem, we've got 8240 and 4834 to multiply
8240 × 4834 = 4834 × (8240)
+ 4834 × 0 giving us 0
+ 4834 × 40 that is equal 193360
+ 4834 × 200 that is equal 966800
+ 4834 × 8000 resulting in 38672000

= 39832160
