(78.6-0.786*25+75%*21.4)/15*2011=how much.
(78.6-0.786*25十75%*21.4)/15*2011=多少．
<gadget id="calculator">78.6 + 21.4</gadget>
<output>100</output>

<gadget id="calculator">0.75 / 15</gadget>
<output>0.05</output>

<gadget id="calculator">100 * 0.05 * 2_011</gadget>
<output>10_055</output>

<result>10_055</result>