3.5*9.9+6.5*10.1.
3.5*9.9+6.5*10.1．
<gadget id="calculator">3.5 * 9.9</gadget>
<output>34.65</output>

<gadget id="calculator">6.5 * 10.1</gadget>
<output>65.65</output>

<gadget id="calculator">34.65 + 65.65</gadget>
<output>100.3</output>

<result>100.3</result>