mml=<math xmlns="http://www.w3.org/1998/Math/MathML"><mstyle mathsize="12px"><mrow><mfenced separators="|"><mrow><msqrt><mn>764</mn></msqrt><mo>&#xD7;</mo><mi mathvariant="normal"></mi><msqrt><mn>93</mn></msqrt></mrow></mfenced><mo>&#xD7;</mo><mi mathvariant="normal"></mi><msqrt><mn>25</mn></msqrt><mo>=</mo><mi mathvariant="normal"></mi><mo>?</mo></mrow></mstyle></math>