2004/(2002*2002-2003*2000)=how much.
2004/(2002*2002-2003*2000)=多少．
<gadget id="calculator">2_002 * 2_002</gadget>
<output>4_008_004</output>

<gadget id="calculator">2_003 * 2_000</gadget>
<output>4_006_000</output>

<gadget id="calculator">4_008_004 - 4_006_000</gadget>
<output>2_004</output>

<gadget id="calculator">2_004 / 2_004</gadget>
<output>1</output>

<result>1</result>