No problem, we've got 8109 and 9985 to multiply
8109 × 9985 = 9985 × (8109)
+ 9985 × 9 producing 89865
+ 9985 × 00 what gives us 0
+ 9985 × 100 giving us 998500
+ 9985 × 8000 giving us 79880000

= 80968365
