Calculation: 2012*4.5+201.2*35+20.12*150+2.012*500=how much.
计算：2012*4.5+201.2*35+20.12*150+2.012*500=多少．
<gadget id="calculator">2_012 * 4.5</gadget>
<output>9_054</output>

<gadget id="calculator">201.2 * 35</gadget>
<output>7_042</output>

<gadget id="calculator">20.12 * 150</gadget>
<output>3_018</output>

<gadget id="calculator">2.012 * 500</gadget>
<output>1_006</output>

<gadget id="calculator">9_054 + 7_042 + 3_018 + 1_006</gadget>
<output>20_120</output>

<result>20_120</result>