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layout: stdlib-reference
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# IArithmetic\.mul

## Description

Multiplies two values of the conforming type.



## Signature 

<pre>
<a href="index.html" class="code_type">IArithmetic</a>.<span class="code_keyword">This</span> <a href="index.html" class="code_type">IArithmetic</a>.<a href="mul.html">mul</a>(<a href="index.html" class="code_type">IArithmetic</a>.<span class="code_keyword">This</span> <a href="mul.html#decl-other" class="code_param">other</a>);

</pre>

## Parameters

####  <a id="decl-other"></a>other  : [IArithmetic](index.html)\.This
The value to multiply with <span class='code'>this</span>.


## Return value
The product of <span class='code'>this</span> and <span class='code'><a href="mul.html#decl-other" class="code_param">other</a></span>.