2012+2013*2014+2014*2015=how much.
2012+2013*2014+2014*2015=多少．
<gadget id="calculator">2_013 * 2_014</gadget>
<output>4_054_182</output>

<gadget id="calculator">2_014 * 2_015</gadget>
<output>4_058_210</output>

<gadget id="calculator">2_012 + 4_054_182 + 4_058_210</gadget>
<output>8_114_404</output>

<result>8_114_404</result>