MathML Carries

<math xmlns = "https://www.w3.org/1998/Math/MathML">
   <mstack>
      <mscarries crossout='updiagonalstrike'>
         <mn>2</mn>
         <mn>12</mn>  
         <mscarry crossout='none'>
            <none/> 
         </mscarry>
      </mscarries>
      <mn>2,327</mn>
      
      <msrow>
         <mo>-</mo> 
         <mn> 1,156</mn> 
      </msrow>
      <msline/>
      <mn>1,171</mn>
   </mstack>
</math>