Mom brought 500 yuan, bought 24 plates, and left 68 yuan. How much is each plate on average?
妈妈带了500元钱，买了24个盘子，还剩68元，平均每个盘子多少元？
<gadget id="calculator">500 - 68</gadget>
<output>432</output>

<gadget id="calculator">432 / 24</gadget>
<output>18</output>

<result>18</result>