mml=<math xmlns="http://www.w3.org/1998/Math/MathML"><mo>∴</mo><mi mathvariant="normal"> </mi><mi mathvariant="normal">D</mi><mo>+</mo><mi mathvariant="normal">E</mi><mo>=</mo><mn>68</mn><mo>+</mo><mn>72</mn><mo>=</mo><mn>140</mn><mi mathvariant="normal"> </mi><mi>वर्ष</mi><mi mathvariant="normal"> </mi><mo>…</mo><mfenced separators="|"><mi>ii</mi></mfenced></math>