No problem, we've got 8422 and 8437 to multiply
8422 × 8437 = 8437 × (8422)
+ 8437 × 2 which equals 16874
+ 8437 × 20 what gives us 168740
+ 8437 × 400 producing 3374800
+ 8437 × 8000 that results in 67496000

= 71056414
