Calculation: (3/(1**2*2**2))+(5/(2**2*3**2))+…+(19/(9**2*10**2) ) = how much.
计算：(3/(1**2*2**2))+(5/(2**2*3**2))+…+(19/(9**2*10**2))=多少．
<gadget id="calculator">99 / 100</gadget>
<output>99/100 = around 0.99</output>

<result>99/100 = around 0.99</result>