((2003**2-2003+1)/(2003**2-2003*2002+2002**2)).
((2003**2-2003+1)/(2003**2-2003*2002+2002**2))．
<gadget id="calculator">2_003 ** 2</gadget>
<output>4_012_009</output>

<gadget id="calculator">4_012_009 - 2_003</gadget>
<output>4_010_006</output>

<gadget id="calculator">4_010_006 + 1</gadget>
<output>4_010_007</output>

<gadget id="calculator">2_003 * 2_002</gadget>
<output>4_010_006</output>

<gadget id="calculator">4_012_009 - 4_010_006</gadget>
<output>2_003</output>

<gadget id="calculator">2_002 ** 2</gadget>
<output>4_008_004</output>

<gadget id="calculator">2_003 + 4_008_004</gadget>
<output>4_010_007</output>

<gadget id="calculator">4_010_007 / 4_010_007</gadget>
<output>1</output>

<result>1</result>