The water company stipulates: In order to save water resources, when the water per person per month does not exceed 2 tons (including 2 tons), the fee is 2.56 yuan per ton. The part exceeding 2 tons is charged at 5 yuan per ton. According to this calculation, the four members of Huanhuan's family shared 9.2 tons of water last month. How much should they pay for water?
自来水公司规定：为了节约水资源，每人每月水不超过2吨(含2吨)时，按每吨2.56元收费．超过2吨的部分按每吨5元收费．照这样计算，欢欢家4口人上月共用水9.2吨，应交水费多少元？
<gadget id="calculator">2 * 4</gadget>
<output>8</output>

<gadget id="calculator">9.2 - 8</gadget>
<output>1.2</output>

<gadget id="calculator">5 * 1.2</gadget>
<output>6</output>

<gadget id="calculator">2.56 * 8</gadget>
<output>20.48</output>

<gadget id="calculator">6 + 20.48</gadget>
<output>26.48</output>

<result>26.48</result>