No problem, we've got 9991 and 8755 to multiply
9991 × 8755 = 8755 × (9991)
+ 8755 × 1 which equals 8755
+ 8755 × 90 that is equal 787950
+ 8755 × 900 resulting in 7879500
+ 8755 × 9000 that is equal 78795000

= 87471205
