((2003**2-4004*2003+2002*4008-2003*2004)/(2003**2-3005*2003-2003*2005+2005*3005))=how much.
((2003**2-4004*2003+2002*4008-2003*2004)/(2003**2-3005*2003-2003*2005+2005*3005))=多少．
<gadget id="calculator">2_003 ** 2</gadget>
<output>4_012_009</output>

<gadget id="calculator">4_004 * 2_003</gadget>
<output>8_020_012</output>

<gadget id="calculator">4_012_009 - 8_020_012</gadget>
<output>-4_008_003</output>

<gadget id="calculator">2_002 * 4_008</gadget>
<output>8_024_016</output>

<gadget id="calculator">2_003 * 2_004</gadget>
<output>4_014_012</output>

<gadget id="calculator">8_024_016 - 4_014_012</gadget>
<output>4_010_004</output>

<gadget id="calculator">(-4_008_003) + 4_010_004</gadget>
<output>2_001</output>

<gadget id="calculator">3_005 * 2_003</gadget>
<output>6_019_015</output>

<gadget id="calculator">2_003 * 2_005</gadget>
<output>4_016_015</output>

<gadget id="calculator">4_012_009 - 6_019_015 - 4_016_015</gadget>
<output>-6_023_021</output>

<gadget id="calculator">2_005 * 3_005</gadget>
<output>6_025_025</output>

<gadget id="calculator">(-6_023_021) + 6_025_025</gadget>
<output>2_004</output>

<gadget id="calculator">2_001 / 2_004</gadget>
<output>667/668 = around 0.998503</output>

<result>667/668 = around 0.998503</result>