1998*((1/11)-(1/2009))+11*((1/1998)-(1/2009))-2009*((1/11)+(1/1998))+3= How many.
1998*((1/11)-(1/2009))+11*((1/1998)-(1/2009))-2009*((1/11)+(1/1998))+3=多少．
<gadget id="calculator">1 / 11</gadget>
<output>1/11 = around 0.090909</output>

<gadget id="calculator">1 / 2_009</gadget>
<output>1/2_009 = around 0.000498</output>

<gadget id="calculator">(1/11) - (1/2_009)</gadget>
<output>1_998/22_099 = around 0.090411</output>

<gadget id="calculator">1_998 * (1_998/22_099)</gadget>
<output>3_992_004/22_099 = around 180.641839</output>

<gadget id="calculator">1 / 1_998</gadget>
<output>1/1_998 = around 0.000501</output>

<gadget id="calculator">(1/1_998) - (1/2_009)</gadget>
<output>11/4_013_982 = around 0.000003</output>

<gadget id="calculator">11 * (11/4_013_982)</gadget>
<output>121/4_013_982 = around 0.00003</output>

<gadget id="calculator">(1/11) + (1/1_998)</gadget>
<output>2_009/21_978 = around 0.09141</output>

<gadget id="calculator">2_009 * (2_009/21_978)</gadget>
<output>4_036_081/21_978 = around 183.641869</output>

<gadget id="calculator">(121/4_013_982) - (4_036_081/21_978)</gadget>
<output>-4_058_301/22_099 = around -183.641839</output>

<gadget id="calculator">(3_992_004/22_099) + (-4_058_301/22_099) + 3</gadget>
<output>0</output>

<result>0</result>