No problem, we've got 4045 and 9969 to multiply
4045 × 9969 = 9969 × (4045)
+ 9969 × 5 that is equal 49845
+ 9969 × 40 resulting in 398760
+ 9969 × 000 which equals 0
+ 9969 × 4000 that equals 39876000

= 40324605
