HTML Extended: <math> tag

<math xmlns="http://www.w3.org/1998/Math/MathML">

    <mrow>

        <mi>A</mi>

        <mo>=</mo>

        <mfenced open="[" close="]">

            <mtable>

                <mtr>

                    <mtd>

                        <mi>x</mi>

                    </mtd>

                    <mtd>

                        <mn>2</mn>

                    </mtd>

                </mtr>

                <mtr>

                    <mtd>

                        <mn>3</mn>

                    </mtd>

                    <mtd>

                        <mi>w</mi>

                    </mtd>

                </mtr>

            </mtable>

        </mfenced>

    </mrow>

</math>

<p>Paragraph after the math equation.</p>