For a school fundraiser, Tory needs to sell 50 packs of cookies. So far, he has sold 12 packs to his grandmother, 7 packs to his uncle, and 5 packs to a neighbor. How many more packs of cookies does Tory need to sell?
Tory sold 12 packs + 7 packs = 
<gadget id="calculator">12+7</gadget>
<output>19</output>
19 packs to his family members.
Tory sold 19 packs + 5 packs = 
<gadget id="calculator">19+5</gadget>
<output>24</output>
24 packs in total.
He has to sell 50 packs - 24 packs = 
<gadget id="calculator">50-24</gadget>
<output>26</output>
26 more packs of cookies to reach his target.

<result>26</result>