The water supply company of a certain city stipulates that each person's monthly water consumption shall not exceed 2 tons, and the fee shall be 2.6 yuan per ton, and the part exceeding 2 tons shall be charged at 5 yuan per ton. According to this calculation, the 4 members of Tiantian's family share 11.3 tons of water a month, how much water should be paid?
某市自来水公司规定：每人每月用水不超过2吨，按每吨2.6元收费，超过2吨的部分按每吨5元收费．照这样计算，天天家4口人一个月共用水11.3吨，应缴水费多少元？
<gadget id="calculator">2 * 4</gadget>
<output>8</output>

<gadget id="calculator">11.3 - 8</gadget>
<output>3.3</output>

<gadget id="calculator">5 * 3.3</gadget>
<output>16.5</output>

<gadget id="calculator">2.6 * 8</gadget>
<output>20.8</output>

<gadget id="calculator">16.5 + 20.8</gadget>
<output>37.3</output>

<result>37.3</result>