Calculation: (1/((1/(2*3))+(1/(3*4))+…+(1/(99*100))))=how much.
计算：(1/((1/(2*3))+(1/(3*4))+…+(1/(99*100))))=多少．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 / 100</gadget>
<output>1/100 = around 0.01</output>

<gadget id="calculator">(1/2) - (1/100)</gadget>
<output>49/100 = around 0.49</output>

<gadget id="calculator">1 / (49/100)</gadget>
<output>100/49 = around 2.040816</output>

<result>100/49 = around 2.040816</result>