Simple calculation: 9.6+0.4*5.2.
简便计算：9.6+0.4*5.2．
<gadget id="calculator">0.4 * 5.2</gadget>
<output>2.08</output>

<gadget id="calculator">9.6 + 2.08</gadget>
<output>11.68</output>

<result>11.68</result>