No problem, we've got 8691 and 9658 to multiply
8691 × 9658 = 9658 × (8691)
+ 9658 × 1 that is equal 9658
+ 9658 × 90 which equals 869220
+ 9658 × 600 which equals 5794800
+ 9658 × 8000 producing 77264000

= 83937678
