var $dec;
var $multi;
var $chu;
function __construct($a, $b)
{
$this->num1 = $a;
$this->num2 = $b;
$this->add = $a + $b;
$this->dec = $a - $b;
$this->multi = $a * $b;
$this->chu = $a / $b;
}
function calculate()
{
$num1 = $this->num1;
$num2 = $this->num2;
$add = $this->add;
$multi = $this->multi;
$dec = $this->dec;
$chu = $this->chu;
echo "{$num1} + {$num2} = {$add}" . "<br>";
echo "{$num1} - {$num2} = {$dec}" . "<br>";
echo "{$num1} * {$num2} = {$multi}" . "<br>";
echo "{$num1} / {$num2} = {$chu}" . "<br>";
}
}
$gr = new calculator(333, 777);
$gr->calculate();
?>