Create one variable named x, and one variable named y,
then use the echo statement to output the sum of x and y.
@(2) = 5;
@(2) = 7;
@(4) @(2) + @(2);
$x = 5;
$y = 7;
echo $x + $y;
$y = 5;
$x = 7;
echo $x + $y;
$x = 5;
$y = 7;
echo $y + $x;
$y = 5;
$x = 7;
echo $y + $x;