Calculation: 3*(1/4)+8*(1/11)+7*(3/4)+9*(4/11).
计算：3*(1/4)+8*(1/11)+7*(3/4)+9*(4/11)．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">3 * (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 / 11</gadget>
<output>1/11 = around 0.090909</output>

<gadget id="calculator">8 * (1/11)</gadget>
<output>8/11 = around 0.727273</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">7 * (3/4)</gadget>
<output>21/4 = around 5.25</output>

<gadget id="calculator">4 / 11</gadget>
<output>4/11 = around 0.363636</output>

<gadget id="calculator">9 * (4/11)</gadget>
<output>36/11 = around 3.272727</output>

<gadget id="calculator">(3/4) + (8/11) + (21/4) + (36/11)</gadget>
<output>10</output>

<result>10</result>