(1/(1*2))+(2/(2*4))+(3/(4*7))+(4/(7*11))+(5/(11*16))+ (6/(16*22))+(7/(22*29))+(8/(29*37))=how much.
(1/(1*2))+(2/(2*4))+(3/(4*7))+(4/(7*11))+(5/(11*16))+(6/(16*22))+(7/(22*29))+(8/(29*37))=多少．
<gadget id="calculator">1 * 2</gadget>
<output>2</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">2 * 4</gadget>
<output>8</output>

<gadget id="calculator">2 / 8</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">4 * 7</gadget>
<output>28</output>

<gadget id="calculator">3 / 28</gadget>
<output>3/28 = around 0.107143</output>

<gadget id="calculator">7 * 11</gadget>
<output>77</output>

<gadget id="calculator">4 / 77</gadget>
<output>4/77 = around 0.051948</output>

<gadget id="calculator">11 * 16</gadget>
<output>176</output>

<gadget id="calculator">5 / 176</gadget>
<output>5/176 = around 0.028409</output>

<gadget id="calculator">16 * 22</gadget>
<output>352</output>

<gadget id="calculator">6 / 352</gadget>
<output>3/176 = around 0.017045</output>

<gadget id="calculator">22 * 29</gadget>
<output>638</output>

<gadget id="calculator">7 / 638</gadget>
<output>7/638 = around 0.010972</output>

<gadget id="calculator">29 * 37</gadget>
<output>1_073</output>

<gadget id="calculator">8 / 1_073</gadget>
<output>8/1_073 = around 0.007456</output>

<gadget id="calculator">(1/2) + (1/4) + (3/28) + (4/77) + (5/176) + (3/176) + (7/638) + (8/1_073)</gadget>
<output>36/37 = around 0.972973</output>

<result>36/37 = around 0.972973</result>