Tina buys 3 12-packs of soda for a party.  Including Tina, 6 people are at the party.  Half of the people at the party have 3 sodas each, 2 of the people have 4 and 1 person has 5.  How many sodas are left over when the party is over?
Tina buys 3 12-packs of soda, for 3*12= 
<gadget id="calculator">3*12</gadget>
<output>36</output>
36 sodas
6 people attend the party, so half of them is 6/2= 
<gadget id="calculator">6/2</gadget>
<output>3</output>
3 people.
Each of those people drinks 3 sodas, so they drink 3*3=
<gadget id="calculator">3*3</gadget>
<output>9</output>
9 sodas.
Two people drink 4 sodas, which means they drink 2*4=
<gadget id="calculator">4*2</gadget>
<output>8</output>
8 sodas.
With one person drinking 5, that brings the total drank to 5+9+8=
<gadget id="calculator">5+9+8</gadget>
<output>22</output>
22 sodas.
As Tina started off with 36 sodas, that means there are 36-22=
<gadget id="calculator">36-22</gadget>
<output>14</output>
14 sodas left.

<result>14</result>