string + (number) = fail

[CezaryDanielNowak]

input

{{
echo('SIMPLE STRING WITH NUMBER ' (12*7) ' AND STRING AGAIN')
}}

output:

<?php 
echo (12 * 7).' AND STRING AGAIN';
?>

[btwael]

use echo without brackets

{{
echo 'SIMPLE STRING WITH NUMBER ' (12*7) ' AND STRING AGAIN'
}}