A certain city charges monthly gas fees according to the following regulations: If the gas consumption does not exceed 60 cubic meters, it will be charged at 0.8 yuan per cubic meter; if it exceeds 60 cubic meters, the excess part will be charged at 1.2 yuan per cubic meter. It is known that the average gas fee of a user in April is 0.88 yuan per cubic meter, so how much gas fee should the user pay in April.
某城市按以下规定收取每月煤气费：用煤气如果不超过60立方米，按每立方米0.8元收费；如果超过60立方米，超过部分按每立方米1.2元收费．已知某用户4月份的煤气费平均每立方米0.88元，那么，4月份这用户应交煤气费多少元．
<gadget id="calculator">60 * 1.2</gadget>
<output>72</output>

<gadget id="calculator">60 * 0.8</gadget>
<output>48</output>

<gadget id="calculator">72 - 48</gadget>
<output>24</output>

<gadget id="calculator">1.2 - 0.88</gadget>
<output>0.32</output>

<gadget id="calculator">24 / 0.32</gadget>
<output>75</output>

<gadget id="calculator">75 * 0.88</gadget>
<output>66</output>

<result>66</result>