Calculation: (1-(3/(2*4)))+(1-(3/(3*5)))+(1-(3/(4*6)))+…+(1-( 3/(10*12)))
计算：(1-(3/(2*4)))+(1-(3/(3*5)))+(1-(3/(4*6)))+…+(1-(3/(10*12)))
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">13 / 10</gadget>
<output>13/10 = around 1.3</output>

<gadget id="calculator">(1/4) * (13/10)</gadget>
<output>13/40 = around 0.325</output>

<result>13/40 = around 0.325</result>