What is the difference between the product of 2.5 and 18 minus the quotient of 1.2 divided by 2.4?
2.5与18的积减去1.2除以2.4的商，差是多少？
<gadget id="calculator">2.5 * 18</gadget>
<output>45</output>

<gadget id="calculator">1.2 / 2.4</gadget>
<output>0.5</output>

<gadget id="calculator">45 - 0.5</gadget>
<output>44.5</output>

<result>44.5</result>