Xiaohong and her parents go on a trip. The one-way fare is 65.5 yuan, half price for children. How much is the round-trip transportation fee?
小红和爸爸妈妈去旅游，行程单程票价是65.5元，儿童半价，往返交通费用需要多少元？
<gadget id="calculator">65.5 * 2</gadget>
<output>131</output>

<gadget id="calculator">65.5 / 2</gadget>
<output>32.75</output>

<gadget id="calculator">131 + 32.75</gadget>
<output>163.75</output>

<gadget id="calculator">163.75 * 2</gadget>
<output>327.5</output>

<result>327.5</result>