Arithmetic_Operators

 <?php

    $a = 7;
    $b = 2;
    $c = $a + $b;
    // echo $c;
    // echo "<br>";

    // $c = $a - $b;
    // echo $c;
    // echo "<br>";

    // $c = $a * $b;
    // echo $c;
    // echo "<br>";

    // $c = $a / $b;
    // echo $c;
    // echo "<br>";

    // $c = $a % $b;
    // echo $c;
    // echo "<br>";

    // $c = $a ** $b;
    // echo $c;
    // echo "<br>";

    // $a++;
    // echo $a;
    // echo "<br>";

    // ++$a;
    // echo $a;
    // echo "<br>";

    // $a--;
    // echo $a;
    // echo "<br>";

    // --$a;
    // echo $a;
    // echo "<br>";

    // $c = $a + $b * 2;
    // echo $c;

    $c = ($a + $b) * 2; //Here, First addition calculation will perform then will multiply with "2"
    echo $c;

//OUTPUT: 18

?>

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