Uncle Zhang bought 2 chairs in the supermarket, paid the salesperson 100 yuan, and got back 8 yuan. How much is each chair on average?
张大伯在超市买了2把椅子，付给营业员100元，找回了8元，平均每把椅子多少元？
<gadget id="calculator">100 - 8</gadget>
<output>92</output>

<gadget id="calculator">92 / 2</gadget>
<output>46</output>

<result>46</result>