No problem, we've got 6489 and 3225 to multiply
6489 × 3225 = 3225 × (6489)
+ 3225 × 9 that is equal 29025
+ 3225 × 80 resulting in 258000
+ 3225 × 400 producing 1290000
+ 3225 × 6000 resulting in 19350000

= 20927025
