No problem, we've got 1685 and 3792 to multiply
1685 × 3792 = 3792 × (1685)
+ 3792 × 5 giving us 18960
+ 3792 × 80 that equals 303360
+ 3792 × 600 resulting in 2275200
+ 3792 × 1000 what gives us 3792000

= 6389520
