Arithmetic Operators

<?php

$a = 10;
$b = 5;

// Addition
$result = $a + $b // $result is 15

// Subtraction
$result = $a -$b; // $result is 5

// Multiplication
$result = $a * $b; // $result is 50

// Division
$result = $a / $b; // $result is 2

// Modulus (remainder)
$result = $a % $b; // $result is 0