Brandon has a collection of 20 baseball cards.  Malcom has 8 more cards than Brandon.  However, then Malcom gives half of his cards to his friend Mark.  How many cards does Malcom have left?
Malcom has 20 cards + 8 cards = 
<gadget id="calculator">20+8</gadget>
<output>28</output>
28 cards.
Malcom gives away 1/2 * 28 cards = 
<gadget id="calculator">1/2*28</gadget>
<output>14</output>
14 cards to Mark.
Malcom has 28-14 cards = 
<gadget id="calculator">28-14</gadget>
<output>14</output>
14 cards remaining.

<result>14</result>