Calculation: (2004/5)+(2004/45)+(2004/117)+(2004/221) (Hint: the denominator can be split into the product of two numbers)
计算：(2004/5)+(2004/45)+(2004/117)+(2004/221)(提示：分母都可以拆成两个数的积)
<gadget id="calculator">2_004 / 5</gadget>
<output>2_004/5 = around 400.8</output>

<gadget id="calculator">2_004 / 45</gadget>
<output>668/15 = around 44.533333</output>

<gadget id="calculator">2_004 / 117</gadget>
<output>668/39 = around 17.128205</output>

<gadget id="calculator">2_004 / 221</gadget>
<output>2_004/221 = around 9.067873</output>

<gadget id="calculator">(2_004/5) + (668/15) + (668/39) + (2_004/221)</gadget>
<output>8_016/17 = around 471.529412</output>

<result>8_016/17 = around 471.529412</result>