Xiaolan and her parents go to Suzhou to play, the adult train ticket is 206 yuan, and the child train ticket is 108 yuan. So how much does Xiaolan's family need to spend on train tickets to Suzhou?
小兰和爸爸妈妈到苏州玩，大人火车票是206元，小孩火车票是108元．那么小兰一家需要花多少钱买火车票去苏州？
<gadget id="calculator">206 * 2</gadget>
<output>412</output>

<gadget id="calculator">412 + 108</gadget>
<output>520</output>

<result>520</result>