2010*2012*((1/(2010*2011))+(1/(2011*2012)))
2010*2012*((1/(2010*2011))+(1/(2011*2012)))
<gadget id="calculator">2_010 * 2_011</gadget>
<output>4_042_110</output>

<gadget id="calculator">1 / 4_042_110</gadget>
<output>1/4_042_110 = around 0</output>

<gadget id="calculator">2_011 * 2_012</gadget>
<output>4_046_132</output>

<gadget id="calculator">1 / 4_046_132</gadget>
<output>1/4_046_132 = around 0</output>

<gadget id="calculator">(1/4_042_110) + (1/4_046_132)</gadget>
<output>1/2_022_060 = around 0</output>

<gadget id="calculator">2_010 * 2_012 * (1/2_022_060)</gadget>
<output>2</output>

<result>2</result>