Calculation: ((2*2)/(1*3))+((4*4)/(3*5))+((6*6)/(5*7))+((8*8) /(7*9))+((10*10)/(9*11))=how much.
计算：((2*2)/(1*3))+((4*4)/(3*5))+((6*6)/(5*7))+((8*8)/(7*9))+((10*10)/(9*11))=多少．
<gadget id="calculator">2 * 2</gadget>
<output>4</output>

<gadget id="calculator">1 * 3</gadget>
<output>3</output>

<gadget id="calculator">4 / 3</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">4 * 4</gadget>
<output>16</output>

<gadget id="calculator">3 * 5</gadget>
<output>15</output>

<gadget id="calculator">16 / 15</gadget>
<output>16/15 = around 1.066667</output>

<gadget id="calculator">6 * 6</gadget>
<output>36</output>

<gadget id="calculator">5 * 7</gadget>
<output>35</output>

<gadget id="calculator">36 / 35</gadget>
<output>36/35 = around 1.028571</output>

<gadget id="calculator">8 * 8</gadget>
<output>64</output>

<gadget id="calculator">7 * 9</gadget>
<output>63</output>

<gadget id="calculator">64 / 63</gadget>
<output>64/63 = around 1.015873</output>

<gadget id="calculator">10 * 10</gadget>
<output>100</output>

<gadget id="calculator">9 * 11</gadget>
<output>99</output>

<gadget id="calculator">100 / 99</gadget>
<output>100/99 = around 1.010101</output>

<gadget id="calculator">(4/3) + (16/15) + (36/35) + (64/63) + (100/99)</gadget>
<output>60/11 = around 5.454545</output>

<result>60/11 = around 5.454545</result>