No problem, we've got 1670 and 3826 to multiply
1670 × 3826 = 3826 × (1670)
+ 3826 × 0 that is equal 0
+ 3826 × 70 that is equal 267820
+ 3826 × 600 which equals 2295600
+ 3826 × 1000 that results in 3826000

= 6389420
