During the "May 1st" holiday, 5 members of Xiaoming's family went to Beijing for tourism. They took the train when they went there, and took the plane when they came back. The train tickets were 80 yuan each, and the air tickets were 600 yuan each. Please calculate how much their transportation expenses will cost in total?
"五一"假期时，小明一家5个人去北京旅游，去时乘火车，回来时乘飞机，火车票每张80元，飞机票每张600元．请你算一算他们的交通费一共需要多少元？
<gadget id="calculator">80 * 5</gadget>
<output>400</output>

<gadget id="calculator">600 * 5</gadget>
<output>3_000</output>

<gadget id="calculator">400 + 3_000</gadget>
<output>3_400</output>

<result>3_400</result>