The three members of Zhang Hua's family went to Hainan for a trip. Each air ticket cost 580 yuan.
张华一家三口去海南旅游，每张飞机票要580元，他们往还都乘飞机，买飞机票一共花了多少钱？
<gadget id="calculator">580 * 3 * 2</gadget>
<output>3_480</output>

<result>3_480</result>