Example: 1

	<?php
	$num1 = 10;
	$num2 = 2;

	echo $num1 + $num2;
	?>
	
Example: 2

	<?php
	$num1 = 10;
	$num2 = 2;
	echo $num1 - $num2;
	?>

Example: 3

	<?php
	$num1 = 10;
	$num2 = 2;
	echo $num1 / $num2;
	?>

Example: 4

	<?php
	$num1 = 10;
	$num2 = 2;
	echo $num1 + $num2 / $num2;
	?>

Example: 5

	<?php
	$num1 = 10;
	$num2 = 2;
	echo ($num1 + $num2) / $num2;
	?>
