No problem, we've got 1623 and 4842 to multiply
1623 × 4842 = 4842 × (1623)
+ 4842 × 3 producing 14526
+ 4842 × 20 what gives us 96840
+ 4842 × 600 resulting in 2905200
+ 4842 × 1000 resulting in 4842000

= 7858566
