я покажу на примере корзины, все остальные места потрудитесь найти сами
catalog/controller/checkout/cart.php
// Display prices
if (($this->config->get('config_customer_price') && $this->customer->isLogged()) || !$this->config->get('config_customer_price')) {
$total = $this->currency->format($this->tax->calculate($product['total'], $product['tax_class_id'], $this->config->get('config_tax')));
$total = $this->currency->format($this->tax->calculate($product['price'], $product['tax_class_id'], $this->config->get('config_tax')), '', '', false);
$total = $this->currency->format($total * $product['quantity'], '', 1);
} else {
$total = false;
}
http://first.net23.net/index.php?route=checkout/cart