No problem, we've got 2684 and 1290 to multiply
2684 × 1290 = 1290 × (2684)
+ 1290 × 4 that results in 5160
+ 1290 × 80 which equals 103200
+ 1290 × 600 which equals 774000
+ 1290 × 2000 resulting in 2580000

= 3462360
