Description:
------------
PHP 7.1.7-1+ubuntu14.04.1+deb.sury.org+1 (cli) (built: Jul  7 2017 10:07:42) ( NTS )
Copyright (c) 1997-2017 The PHP Group
Zend Engine v3.1.0, Copyright (c) 1998-2017 Zend Technologies
    with Zend OPcache v7.1.7-1+ubuntu14.04.1+deb.sury.org+1, Copyright (c) 1999-2017, by Zend Technologies

echo (int) (66.74*100); // 6673
echo (int) (35.55*100); // 3554
echo (int) (34.12*100); // 3411

To get a larger list run:
for ($i=0; $i<=1000; $i++) { echo (int) (((float)$i/100)*100) ."\r\n";}


Test script:
---------------
echo (int) (66.74*100);
echo (int) (35.55*100);
echo (int) (34.12*100);
for ($i=0; $i<=1000; $i++) { echo (int) (((float)$i/100)*100) ."\r\n";}