Find the average of my Stopwatch timer

Question

I need to find the average of stopwatch timer , I dont know how to deal it with? <br /><br /><div class="dp-highlighter"><ol class="dp-c" start="1"><li class="alt"><span><span>Console.WriteLine(</span><span class="string">"\nThe&nbsp;time&nbsp;Recursive&nbsp;method&nbsp;take&nbsp;--&gt;"</span><span>&nbsp;&nbsp;&nbsp;</span></span></li><li class=""><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;+&nbsp;&nbsp;(timer.Elapsed.TotalMilliseconds));&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <br /></span></li></ol></div>A friend told me to store this above value into some variable and just find the average ? But I dont know how to do it ?<br /><br />Here is my full code : <br /><br /><div class="dp-highlighter"><ol class="dp-c" start="1"><li class="alt"><span><span>Stopwatch&nbsp;timer1&nbsp;=&nbsp;</span><span class="keyword">new</span><span>&nbsp;Stopwatch();&nbsp;&nbsp;</span></span></li><li class=""><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">while</span><span>&nbsp;(timer1.ElapsedMilliseconds&gt;1200)&nbsp;&nbsp;</span></span></li><li class="alt"><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{&nbsp;&nbsp;</span></li><li class=""><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;result&nbsp;=&nbsp;test(seed,&nbsp;count);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></li><li class="alt"><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}&nbsp;&nbsp;</span></li><li class=""><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">for</span><span>&nbsp;(</span><span class="keyword">int</span><span>&nbsp;k&nbsp;=&nbsp;0;&nbsp;k&nbsp;&lt;&nbsp;5;&nbsp;k++)&nbsp;&nbsp;</span></span></li><li class="alt"><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{&nbsp;&nbsp;</span></li><li class=""><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;timer1.Reset();&nbsp;&nbsp;</span></li><li class="alt"><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;timer1.Start();&nbsp;&nbsp;</span></li><li class=""><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Console.WriteLine(<span class="string">"\nThe&nbsp;time&nbsp;NonRecursive&nbsp;method&nbsp;take&nbsp;--&gt;"</span><span>&nbsp;&nbsp;&nbsp;</span></span></li><li class="alt"><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;+&nbsp;timer1.Elapsed.TotalMilliseconds.ToString());&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></li><li class=""><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}&nbsp;&nbsp;</span></li><li class="alt"><span>&nbsp;&nbsp;</span></li><li class=""><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;timer1.Stop();&nbsp; <br /></span></li></ol></div>