Dad, mom, and Xiaoyue go to the amusement park together. The ticket price for adults in the amusement park is 6.5 yuan, and the ticket price for children is 3.5 yuan. How much does Xiaoyue’s family need to buy tickets?
爸爸、妈妈和小月一起去游乐园玩，游乐园的成人票价为6.5元，儿童票价为3.5元，小月一家买门票共需要多少元？
<gadget id="calculator">6.5 * 2</gadget>
<output>13</output>

<gadget id="calculator">13 + 3.5</gadget>
<output>16.5</output>

<result>16.5</result>