<math xmlns="http://www.w3.org/1998/Math/MathML" id="p1.1.m1.1" class="ltx_Math" alttext="E=mc^{2}" display="inline">
  <semantics id="e1">
    <mrow id="e2" xref="e12">
      <mi id="e3" xref="e14">E</mi>
      <mo id="e4" xref="e13">=</mo>
      <mrow id="e5" xref="e15">
        <mi id="e6" xref="e17">m</mi>
        <mo id="e7" xref="e16">⁢</mo>
        <msup id="e8" xref="e18">
          <mi id="e9" xref="e20">c</mi>
          <mn id="e10" xref="e21">2</mn>
        </msup>
      </mrow>
    </mrow>
    <annotation-xml encoding="MathML-Content" id="e11">
      <apply id="e12" xref="e2">
        <eq id="e13" xref="e4"/>
        <csymbol cd="wikidata" id="e14" xref="e3">Q11379</csymbol>
        <apply id="e15" xref="e5">
          <times id="e16" xref="e7"/>
          <csymbol cd="wikidata" id="e17" xref="e6">Q11423</csymbol>
          <apply id="e18" xref="e8">
            <power id="e19" xref="e8"/>
            <csymbol cd="wikidata" id="e20" xref="e9">Q2111</csymbol>
            <cs id="e21" xref="e10">the integer number two</cs>
          </apply>
        </apply>
      </apply>
    </annotation-xml>
    <annotation encoding="application/x-tex" id="e22">E=mc^{2}</annotation>
  </semantics>
</math>