powershell, 344 bytes

Result

WA

Duration

1264ms

Code [DL]

$s=$Input.Split("\n")
echo($s)
$a = $s[0].Split(" ")
$b = $s[1].Split(" ")
$c = $s[2].Split(" ")
$d = $s[3].Split(" ")
echo($a)
$x=@()
$y=@()
$z=@()
foreach($i in 0..2){
$x+=$b[$i]-$a[$i]
$y+=$c[$i]-$a[$i]
$z+=$d[$i]-$a[$i]
}
echo(($x[0]*$y[1]*$z[2]+$x[1]*$y[2]*$z[0]+$x[2]*$y[0]*$z[1]-$x[1]*$y[0]*$z[2]-$x[2]*$y[1]*$z[0]-$x[0]*$y[2]*$z[1])/6)

stdin

05 77 36
39 05 98
02 59 45
74 40 06

stdout

05 77 36
39 05 98
02 59 45
74 40 06
05
77
36
12556

stderr

strace