Xiaohong goes to the movies with her father and mother. The adult ticket is 12 yuan and the child ticket is 8 yuan. How much does it cost to buy the tickets?
小红和爸爸、妈妈一起去看电影，成人票12元，儿童票8元，买票一共要花多少钱？
<gadget id="calculator">12 * 2</gadget>
<output>24</output>

<gadget id="calculator">24 + 8</gadget>
<output>32</output>

<result>32</result>