Calculation: 3.5*1.25+1.25+3.5/0.8.
计算：3.5*1.25+1.25+3.5/0.8．
<gadget id="calculator">3.5 * 1.25</gadget>
<output>4.375</output>

<gadget id="calculator">3.5 / 0.8</gadget>
<output>4.375</output>

<gadget id="calculator">4.375 + 1.25 + 4.375</gadget>
<output>10</output>

<result>10</result>