Calculation: (9/3)+(6/2)-3-(3/3)-2.
计算：(9/3)+(6/2)-3-(3/3)-2．
<gadget id="calculator">9 / 3</gadget>
<output>3</output>

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

<gadget id="calculator">3 / 3</gadget>
<output>1</output>

<gadget id="calculator">3 - 3 - 1 - 2</gadget>
<output>-3</output>

<gadget id="calculator">3 + (-3)</gadget>
<output>0</output>

<result>0</result>