What is the number that is 2.5 more than 8 times 3.5?
比3.5的8倍多2.5的数是多少．
<gadget id="calculator">3.5 * 8</gadget>
<output>28</output>

<gadget id="calculator">28 + 2.5</gadget>
<output>30.5</output>

<result>30.5</result>