files/en-us/web/api/cssmathproduct/index.md
{{APIRef("CSS Typed Object Model API")}}
The CSSMathProduct interface of the CSS Typed Object Model API represents the result obtained by calling {{domxref('CSSNumericValue.add','add()')}}, {{domxref('CSSNumericValue.sub','sub()')}}, or {{domxref('CSSNumericValue.toSum','toSum()')}} on {{domxref('CSSNumericValue')}}. It inherits properties and methods from its parent {{domxref('CSSNumericValue')}}.
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CSSMathProduct object.The interface may also inherit methods from its parent interface, {{domxref("CSSMathValue")}}.
The interface may also inherit methods from its parent interface, {{domxref("CSSMathValue")}}.
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