Calculation: (8/5)+(8/45)+(8/117)+(8/221)+(8/357).
计算：(8/5)+(8/45)+(8/117)+(8/221)+(8/357)．
<gadget id="calculator">8 / 5</gadget>
<output>8/5 = around 1.6</output>

<gadget id="calculator">8 / 45</gadget>
<output>8/45 = around 0.177778</output>

<gadget id="calculator">8 / 117</gadget>
<output>8/117 = around 0.068376</output>

<gadget id="calculator">8 / 221</gadget>
<output>8/221 = around 0.036199</output>

<gadget id="calculator">8 / 357</gadget>
<output>8/357 = around 0.022409</output>

<gadget id="calculator">(8/5) + (8/45) + (8/117) + (8/221) + (8/357)</gadget>
<output>40/21 = around 1.904762</output>

<result>40/21 = around 1.904762</result>