php $ var store数学表达式[关闭]

$VAR= 5;
$VAR1=30;

Mathematical expression :- 5 * 60 * 60 + 30 * 60

i.e. 5 and 30 are $VAR and $VAR1 respectively. how to use this manually in php code and store result in $RESULT.

This will work:

$result = $VAR * 60 *60 +$VAR1 *60;

The following link will give you an idea of order of preferance

Here is your expression

  <?php

    $VAR = 5;
    $VAR1 = 30;

    $calc = - $VAR * 60 * 60 + $VAR1 * 60;
    echo $calc;
    ?>