Calculation: (1+(1/2))*(1+(1/3))*(1+(1/4))*(1+(1/5))*…*(1+(1/3) 2009))
计算：(1+(1/2))*(1+(1/3))*(1+(1/4))*(1+(1/5))*…*(1+(1/2009))
<gadget id="calculator">2_010 / 2</gadget>
<output>1_005</output>

<result>1_005</result>