If □*A=2008, □-A=1002, then □+A=how much.
如果□*A=2008，□-A=1002，那么□+A=多少．
<gadget id="calculator">2_008 / 2</gadget>
<output>1_004</output>

<gadget id="calculator">1_004 + 2</gadget>
<output>1_006</output>

<result>1_006</result>