NoMethodError in Web#web_product

Showing /var/www/vhosts/castillodemuros.com/castillodemuros_old/app/views/web/web_product.html.erb where line #328 raised:

undefined method `*' for nil:NilClass

Extracted source (around line #328):

325: 								<span class="price"></span><br/>
326: 								<span class="price-iva"></span>
327: 	    					<% else %>
328: 	    						<span class="price">PVP: <span style="font-size:22px;"><%= number_with_precision(@product.price * @taxes, :precision=>2, :locale => :en) %></span></span>€ <br/>
329: 	    						<span class="price-iva">Precio sin IVA: <%= number_with_precision(@product.price, :precision=>2, :locale => :en)%></span>€
330: 	    					<% end %>
331: 	    						

Rails.root: /var/www/vhosts/castillodemuros.com/castillodemuros_old

Application Trace | Framework Trace | Full Trace
app/views/web/web_product.html.erb:328:in `_app_views_web_web_product_html_erb__2275083004818594091_70155146459880'

Request

Parameters:

{"locale"=>"es",
 "id"=>"139-carburadores-originales-husqvarna"}

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Response

Headers:

None