Xiaoli went to climb the Great Wall with her father and mother. The ticket for adults was 68 yuan and the ticket for students was 30 yuan. How much does their family pay?
小丽和爸爸、妈妈一起去登长城，成人票68元，学生票30元．他们一家应付多少元？
<gadget id="calculator">68 * 2</gadget>
<output>136</output>

<gadget id="calculator">136 + 30</gadget>
<output>166</output>

<result>166</result>