During the Mid-Autumn Festival, Mingming’s family of three went to the zoo. Tickets for children were 4.5 yuan each, and tickets for adults were 9.5 yuan each. How much does it cost to buy tickets?
中秋节，明明一家三口去动物园，儿童票每张4.5元，成人票每张9.5元．购买门票一共要多少元？
<gadget id="calculator">9.5 * 2</gadget>
<output>19</output>

<gadget id="calculator">4.5 + 19</gadget>
<output>23.5</output>

<result>23.5</result>