No problem, we've got 8584 and 8429 to multiply
8584 × 8429 = 8429 × (8584)
+ 8429 × 4 what gives us 33716
+ 8429 × 80 producing 674320
+ 8429 × 500 producing 4214500
+ 8429 × 8000 which equals 67432000

= 72354536
