A set of tables and chairs is 96 yuan, and a table is 30 yuan more expensive than a chair. How much is a chair?
一套桌椅96元，一张桌子比一张椅子贵30元．一张椅子多少钱？
<gadget id="calculator">96 - 30</gadget>
<output>66</output>

<gadget id="calculator">66 / 2</gadget>
<output>33</output>

<result>33</result>