How can I remove currency from invoice?

I know what file to edit, but I cannot understand how the price format works.



I have



{* $Id: price.tpl 10656 2010-09-16 11:33:58Z andyye $ *}
{strip}
{if $settings.General.alternative_currency == "Y"}
{$value|format_price:$currencies.$primary_currency:$span_id:$class}{if $secondary_currency != $primary_currency} ({$value|format_price:$currencies.$secondary_currency:$span_id:$class:true}){/if}
{else}
{$value|format_price:$currencies.$secondary_currency:$span_id:$class:true}
{/if}
{/strip}




This is in skins/food/mail/common_templates



How can I remove the currency from this? Currently it displays



“100 my_currency”.

I just want it to display the amount.



Thank you.

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