No problem, we've got 2384 and 1681 to multiply
2384 × 1681 = 1681 × (2384)
+ 1681 × 4 that is equal 6724
+ 1681 × 80 producing 134480
+ 1681 × 300 that is equal 504300
+ 1681 × 2000 which equals 3362000

= 4007504
