The ticket office of the park stipulates that a ticket for one person is 3 yuan, and a ticket for a group is 16 yuan (for 10 people to visit). There are 54 people in the first class of the fifth grade. What is the minimum cost for buying tickets?
公园售票处规定，一人券3元一张，团体券16元一张(可供10人参观)五年级一班有54人，买门票最少要花多少元？
<gadget id="calculator">16 * 5</gadget>
<output>80</output>

<gadget id="calculator">3 * 4</gadget>
<output>12</output>

<gadget id="calculator">80 + 12</gadget>
<output>92</output>

<result>92</result>