bash-busybox, 111 bytes

Result

WA

Duration

524ms

Code [DL]

a=(`cat`)
for z in {0..8};{
$[a[t=z]-=a[9+z%3],s+=z/6*a[z]*(a[p=++t%3+3]*a[q=++t%3]-a[q+3]*a[p-3])/6]
}
echo $s

stdin

42 66 67
46 96 13
79 24 28
34 05 08

stdout

0

stderr

/volume/CODE: line 3: 0: command not found
/volume/CODE: line 3: 0: command not found
/volume/CODE: line 3: 08: value too great for base (error token is "08")

strace