powershell, 250 bytes

Result

WA

Duration

1256ms

Code [DL]

$a =(Read-Host).Split()
$b =(Read-Host).Split()
$c =(Read-Host).Split()
$d =(Read-Host).Split()
$x=@()
$y=@()
$z=@()
foreach($i in 0..2){
$x+=$b[$i]-$a[$i]
$y+=$c[$i]-$a[$i]
$z+=$d[$i]-$a[$i]
}

echo($x[0])
echo($y[1])
echo($z[2])
echo(($x[0]*$y[1]))

stdin

87 92 83
05 70 30
99 78 45
61 09 58

stdout

87 92 83
05 70 30
99 78 45
61 09 58
-82
-14
-25
1148

stderr

strace