(7/11)*(5/8)+(2/11)*(7/16)-(1/11)*(7/2).
(7/11)*(5/8)+(2/11)*(7/16)-(1/11)*(7/2)．
<gadget id="calculator">7 / 11</gadget>
<output>7/11 = around 0.636364</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">(7/11) * (5/8)</gadget>
<output>35/88 = around 0.397727</output>

<gadget id="calculator">2 / 11</gadget>
<output>2/11 = around 0.181818</output>

<gadget id="calculator">7 / 16</gadget>
<output>7/16 = around 0.4375</output>

<gadget id="calculator">(2/11) * (7/16)</gadget>
<output>7/88 = around 0.079545</output>

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

<gadget id="calculator">7 / 2</gadget>
<output>7/2 = around 3.5</output>

<gadget id="calculator">(1/11) * (7/2)</gadget>
<output>7/22 = around 0.318182</output>

<gadget id="calculator">(7/88) - (7/22)</gadget>
<output>-21/88 = around -0.238636</output>

<gadget id="calculator">(35/88) + (-21/88)</gadget>
<output>7/44 = around 0.159091</output>

<result>7/44 = around 0.159091</result>