No problem, we've got 4854 and 9000 to multiply
4854 × 9000 = 9000 × (4854)
+ 9000 × 4 which equals 36000
+ 9000 × 50 producing 450000
+ 9000 × 800 producing 7200000
+ 9000 × 4000 that is equal 36000000

= 43686000
