<?xml version="1.0" encoding="UTF-8"?>

<math xmlns="http://www.w3.org/1998/Math/MathML">
  <mtext>Inline, text style, normal line </mtext> 
  <mstyle displaystyle="false" scriptlevel="0">
    <mrow>
      <mstyle displaystyle="false" scriptlevel="0">
        <mfrac>
          <mrow>
            <mi mathcolor="gray">tan</mi> 
            <mo rspace="verythinmathspace">&#x02061;</mo> 
            <mi>&#x003B8;</mi> 
          </mrow> 
          <mn>67</mn> 
        </mfrac> 
      </mstyle> 
    </mrow> 
  </mstyle> 
  <mtext>, numerator and denominator should render script size.</mtext> </math>