Calculation: 8.98+98.98+998.98+9998.98=how much.
计算：8.98+98.98+998.98+9998.98=多少．
<gadget id="calculator">8.98 + 98.98 + 998.98 + 9_998.98</gadget>
<output>11_105.92</output>

<result>11_105.92</result>