During the winter vacation, the teacher leads the students to the Science and Technology Museum. Adults need 48 yuan each, and children need 24 yuan each. Teacher Liu and Teacher Zhang bring 30 students together. How much is the total cost?
寒假，老师带领学生去科技馆，成人每人需要48元，儿童每人需要24元，刘老师和张老师共带30名同学，一共需要多少元？
<gadget id="calculator">48 * 2</gadget>
<output>96</output>

<gadget id="calculator">24 * 30</gadget>
<output>720</output>

<gadget id="calculator">96 + 720</gadget>
<output>816</output>

<result>816</result>