No problem, we've got 6434 and 6490 to multiply
6434 × 6490 = 6490 × (6434)
+ 6490 × 4 what gives us 25960
+ 6490 × 30 that results in 194700
+ 6490 × 400 which equals 2596000
+ 6490 × 6000 producing 38940000

= 41756660
