No problem, we've got 6007 and 6647 to multiply
6007 × 6647 = 6647 × (6007)
+ 6647 × 7 that is equal 46529
+ 6647 × 00 that results in 0
+ 6647 × 000 what gives us 0
+ 6647 × 6000 that is equal 39882000

= 39928529
