Math question

[Zifadel]

What are my chances of making my hand here on the turn OR the river? Making my hand = 9 spades, 8 for OESD, 3 for the A = 20 outs. What percent of the time will I make my hand after all the cards are out?

Please show the math.

Full Tilt Poker - No Limit Hold'em Cash Game - $0.05/$0.10 Blinds - 8 Players - (LegoPoker Hand History Converter)

SB: $19.60
BB: $4.00
UTG: $10.00
UTG+1: $8.00
MP1: $6.20
MP2: $10.00
Hero (CO): $8.75
BTN: $7.10

UTG posts $0.10
MP2 posts $0.10
Preflop: Hero is dealt 9[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/spade.gif[/img] (8 Players)
UTG checks, 2 folds, MP2 checks, <font color="red">Hero raises to $0.30</font>, BTN folds, SB calls $0.25, BB calls $0.20, UTG calls $0.20, MP2 folds

Flop: ($1.30) 7[img]/images/graemlins/spade.gif[/img] 6[img]/images/graemlins/club.gif[/img] 8[img]/images/graemlins/spade.gif[/img] (4 Players)