Emir wants to buy a dictionary that costs $5, a dinosaur book that costs $11, and a children's cookbook that costs $5. He has saved $19 from his allowance. How much more money does Emir need to buy all three books?
The total cost of the dictionary, the dinosaur book, and the cookbook is $5 + $11 + $5 = $
<gadget id="calculator">5+11+5</gadget>
<output>21</output>
21.
Emir needs $21 - $19 = $2.

<result>2</result>