No problem, we've got 3912 and 1764 to multiply
3912 × 1764 = 1764 × (3912)
+ 1764 × 2 what gives us 3528
+ 1764 × 10 giving us 17640
+ 1764 × 900 producing 1587600
+ 1764 × 3000 giving us 5292000

= 6900768
