No problem, we've got 2440 and 1659 to multiply
2440 × 1659 = 1659 × (2440)
+ 1659 × 0 yielding 0
+ 1659 × 40 which equals 66360
+ 1659 × 400 that is equal 663600
+ 1659 × 2000 resulting in 3318000

= 4047960
