Xiaoya and her parents went to visit the science and technology museum together. Adults paid 50 yuan each, and children paid 30 yuan each. How much did they spend on tickets?
小亚和爸爸妈妈三人一起去科技馆参观，大人每张50元，儿童每张30元，他们买门票一共用去多少元？
<gadget id="calculator">50 * 2</gadget>
<output>100</output>

<gadget id="calculator">100 + 30</gadget>
<output>130</output>

<result>130</result>