(1/3)+0.125+(1/30)+(1/144)+(1/720)=? ．
(1/3)+0.125+(1/30)+(1/144)+(1/720)=？．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 / 30</gadget>
<output>1/30 = around 0.033333</output>

<gadget id="calculator">1 / 144</gadget>
<output>1/144 = around 0.006944</output>

<gadget id="calculator">1 / 720</gadget>
<output>1/720 = around 0.001389</output>

<gadget id="calculator">(1/3) + 0.125 + (1/30) + (1/144) + (1/720)</gadget>
<output>0.5</output>

<result>0.5</result>