How much greater is the product of 82.5 and 0.4 than the difference between 7.5 and 4.95?
82.5与0.4的积比7.5与4.95的差大多少？
<gadget id="calculator">82.5 * 0.4</gadget>
<output>33</output>

<gadget id="calculator">7.5 - 4.95</gadget>
<output>2.55</output>

<gadget id="calculator">33 - 2.55</gadget>
<output>30.45</output>

<result>30.45</result>