No problem, we've got 8659 and 9031 to multiply
8659 × 9031 = 9031 × (8659)
+ 9031 × 9 what gives us 81279
+ 9031 × 50 which equals 451550
+ 9031 × 600 which equals 5418600
+ 9031 × 8000 producing 72248000

= 78199429
