No problem, we've got 4623 and 9000 to multiply
4623 × 9000 = 9000 × (4623)
+ 9000 × 3 which equals 27000
+ 9000 × 20 what gives us 180000
+ 9000 × 600 giving us 5400000
+ 9000 × 4000 that is equal 36000000

= 41607000
