Calculate with a simple method: (105-98)*(25+73)
用简便方法计算：(105-98)*(25+73)
<gadget id="calculator">105 - 98</gadget>
<output>7</output>

<gadget id="calculator">25 + 73</gadget>
<output>98</output>

<gadget id="calculator">7 * 98</gadget>
<output>686</output>

<result>686</result>