During the vacation, Mom and Dad took Xiaoqiang to the "Ice and Snow World". The ticket price for adults is 50 yuan, and the ticket for children is half price. How much does it cost for their family to buy tickets?
假期间，爸爸妈妈带小强去"冰雪大世界"游玩，成人票价是50元，儿童票半价，他们一家购门票需要花多少钱？
<gadget id="calculator">50 * 2</gadget>
<output>100</output>

<gadget id="calculator">50 / 2</gadget>
<output>25</output>

<gadget id="calculator">100 + 25</gadget>
<output>125</output>

<result>125</result>