No problem, we've got 9423 and 2006 to multiply
9423 × 2006 = 2006 × (9423)
+ 2006 × 3 what gives us 6018
+ 2006 × 20 that is equal 40120
+ 2006 × 400 resulting in 802400
+ 2006 × 9000 what gives us 18054000

= 18902538
