Calculate (1-(1/4))(1-(1/9))(1-(1/16))...(1-(1/100))
计算(1-(1/4))(1-(1/9))(1-(1/16))…(1-(1/100))
<gadget id="calculator">11 / 2</gadget>
<output>11/2 = around 5.5</output>

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">(11/2) * (1/10)</gadget>
<output>11/20 = around 0.55</output>

<result>11/20 = around 0.55</result>