desk is 80 yuan, which is 28 yuan more expensive than a chair. How much does it cost to buy a set of desks and chairs?
一张课桌80元，比一把椅子贵28元，买一套课桌椅要多少钱？
<gadget id="calculator">80 - 28</gadget>
<output>52</output>

<gadget id="calculator">52 + 80</gadget>
<output>132</output>

<result>132</result>