Calculation: (1+(1/2))*(1+(1/4))*(1+(1/6))*…*(1+(1/10))*(1-(1/4) 3))*(1-(1/5))*...*(1-(1/9))=how much.
计算：(1+(1/2))*(1+(1/4))*(1+(1/6))*…*(1+(1/10))*(1-(1/3))*(1-(1/5))*…*(1-(1/9))=多少．
<gadget id="calculator">11 / 10</gadget>
<output>11/10 = around 1.1</output>

<result>11/10 = around 1.1</result>