No problem, we've got 1599 and 5040 to multiply
1599 × 5040 = 5040 × (1599)
+ 5040 × 9 resulting in 45360
+ 5040 × 90 which equals 453600
+ 5040 × 500 producing 2520000
+ 5040 × 1000 that is equal 5040000

= 8058960
