Xiao Ming and three classmates took a "taxi" to the labor base 5 kilometers away from the school. You need to pay 6 yuan for the first 2 kilometers, and you need to pay 1.6 yuan for each additional kilometer. How much do they pay on average?
小明和三个同学坐"的士"到距学校5千米的劳动基地．前2千米要付6元，以后每多行1千米，付车费1.6元．他们平均每人应付多少元？
<gadget id="calculator">5 - 2</gadget>
<output>3</output>

<gadget id="calculator">3 * 1.6</gadget>
<output>4.8</output>

<gadget id="calculator">4.8 + 6</gadget>
<output>10.8</output>

<gadget id="calculator">10.8 / 4</gadget>
<output>2.7</output>

<result>2.7</result>