No problem, we've got 6471 and 6396 to multiply
6471 × 6396 = 6396 × (6471)
+ 6396 × 1 what gives us 6396
+ 6396 × 70 that is equal 447720
+ 6396 × 400 producing 2558400
+ 6396 × 6000 that results in 38376000

= 41388516
