* subproduct - sometimes a subproduct quantity is indicated (net/brut, egoutté/drained);
* subproduct - sometimes a subproduct quantity is indicated (net/brut, egoutté/drained);
* verbosity - the language used in specifying quantity must be translated to a parsable format;
* verbosity - the language used in specifying quantity must be translated to a parsable format;
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* scattered - all information necessary to fill the entire quantity formula might be scattered over the package.
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* detail quantities - sometimes a detailed quantity might be present (1 biscuit weighs 23g) and a multiplier is needed to get the total weight of the package;