No problem, we've got 6438 and 6571 to multiply
6438 × 6571 = 6571 × (6438)
+ 6571 × 8 giving us 52568
+ 6571 × 30 which equals 197130
+ 6571 × 400 which equals 2628400
+ 6571 × 6000 which equals 39426000

= 42304098
