Calculation: 1997+1996+1004+1006+1994+1003=how much.
计算：1997+1996+1004+1006+1994+1003=多少．
<gadget id="calculator">1_997 + 1_996 + 1_004 + 1_006 + 1_994 + 1_003</gadget>
<output>9_000</output>

<result>9_000</result>