bash-busybox, 108 bytes

Result

WA

Duration

491ms

Code [DL]

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

stdin

09 49 94
67 90 24
97 73 02
16 58 53

stdout

stderr

/volume/CODE: line 3: 09: value too great for base (error token is "09")

strace