Sue borrowed 15 books and 6 movies. She returned 8 books. She then returned a third of the movies to the library and checked out 9 more books. How many movies and books does Sue now have?
Sue has 15-8 = 
<gadget id="calculator">15-8</gadget>
<output>7</output>
7 books left after returning at the library.
Sue returned 6/3 = 
<gadget id="calculator">6/3</gadget>
<output>2</output>
2 movies to the library.
Sue had 6-2 = 
<gadget id="calculator">6-2</gadget>
<output>4</output>
4 movies left.
Sue had 7+9 = 
<gadget id="calculator">7+9</gadget>
<output>16</output>
16 books after checking out at the library.
Sue has 16+4 = 
<gadget id="calculator">16+4</gadget>
<output>20</output>
20 movies and books combined.

<result>20</result>