No problem, we've got 4097 and 6344 to multiply
4097 × 6344 = 6344 × (4097)
+ 6344 × 7 producing 44408
+ 6344 × 90 what gives us 570960
+ 6344 × 000 what gives us 0
+ 6344 × 4000 that equals 25376000

= 25991368
