No problem, we've got 4627 and 4004 to multiply
4627 × 4004 = 4004 × (4627)
+ 4004 × 7 resulting in 28028
+ 4004 × 20 that is equal 80080
+ 4004 × 600 giving us 2402400
+ 4004 × 4000 that results in 16016000

= 18526508
