Calculate how much 200.9*191.2-2010*19.11=.
计算200.9*191.2-2010*19.11=多少．
<gadget id="calculator">200.9 * 191.2</gadget>
<output>38_412.08</output>

<gadget id="calculator">2_010 * 19.11</gadget>
<output>38_411.1</output>

<gadget id="calculator">38_412.08 - 38_411.1</gadget>
<output>0.98</output>

<result>0.98</result>