No problem, we've got 6485 and 3180 to multiply
6485 × 3180 = 3180 × (6485)
+ 3180 × 5 producing 15900
+ 3180 × 80 that equals 254400
+ 3180 × 400 yielding 1272000
+ 3180 × 6000 that is equal 19080000

= 20622300
