longdivision-rtl1

W3C sample	WIRIS
	$$\mathrm{١١}\mathrm{١٢٠}\mathrm{١٣٢٠}\mathrm{١١}-\mathrm{٢٢}\mathrm{٢٢}-\mathrm{صفر}$$

<math xmlns="http://www.w3.org/1998/Math/MathML" display="block" dir="rtl">
  <mlongdiv longdivstyle="stackedleftlinetop">
    <mn>١١</mn>
    <mn>١٢٠</mn>
    <msgroup>
      <mn>١٣٢٠</mn>
      <msrow position="2">
        <mn>١١</mn>
        <mo>-</mo>
      </msrow>
    </msgroup>
    <msline length="2" position="2"/>
    <msgroup position="1">
      <mn>٢٢</mn>
      <msrow>
        <mn>٢٢</mn>
        <mo>-</mo>
      </msrow>
      <msline length="2"/>
    </msgroup>
    <mn>صفر</mn>
  </mlongdiv>
</math>

Author: Abdelshafi Bekhit, Mathematics for primary grade IV, Province Cairo of Egypt and the same in Arabic probably.