longmultiplication-rtl1

W3C sample	WIRIS
	$$14\times 2342280322$$

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    <msgroup>
      <mn>14</mn>
      <msrow>
        <mo>×</mo>
        <mn>23</mn>
      </msrow>
    </msgroup>
    <msline/>
    <msgroup>
      <mn>42</mn>
      <mn>280</mn>
    </msgroup>
    <msline/>
    <msgroup>
      <mn>322</mn>
    </msgroup>
  </mstack>
</math>

Author: Abdelshafi Bekhit, The book title is 'Precalculus Mathematics' 2nd Edition.