Calculate with a simple method: 98+998+9998+2*3.
用简便方法计算：98+998+9998+2*3．
<gadget id="calculator">2 * 3</gadget>
<output>6</output>

<gadget id="calculator">98 + 998 + 9_998 + 6</gadget>
<output>11_100</output>

<result>11_100</result>