(3/2)*2010+2010*0.5-2010．
(3/2)*2010+2010*0.5-2010．
<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">(3/2) * 2_010</gadget>
<output>3_015</output>

<gadget id="calculator">2_010 * 0.5</gadget>
<output>1_005</output>

<gadget id="calculator">1_005 - 2_010</gadget>
<output>-1_005</output>

<gadget id="calculator">3_015 + (-1_005)</gadget>
<output>2_010</output>

<result>2_010</result>