$s=$Input.Split("\n") echo($s) $a = ($s.Split(" "))[0] $b = ($s.Split(" "))[1] $c = $s.Split(" ")[2] $d = $s.Split(" ")[3] echo($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)