In order to save electricity, the power department stipulates that the electricity fee is 0.475 yuan per kilowatt-hour, and a user’s monthly electricity consumption exceeds 60 kilowatt-hours, an additional 0.04 yuan per kilowatt-hour for the excess part, and an additional 0.06 yuan per kilowatt-hour for the part exceeding 100 kilowatt-hours. Xiaoming’s family used 90 degrees of electricity last month, so how much electricity should Xiaoming’s family pay last month?
为了节约用电，电力部门规定，电费每度0.475元，一个用户每月用电量超过60度，超过部分每度另加0.04元，超过100度的部分，每度另价0.06元．小明家上月用电90度，那么，小明家上月应缴电费多少元？
<gadget id="calculator">0.475 * 60</gadget>
<output>28.5</output>

<gadget id="calculator">0.475 + 0.04</gadget>
<output>0.515</output>

<gadget id="calculator">90 - 60</gadget>
<output>30</output>

<gadget id="calculator">0.515 * 30</gadget>
<output>15.45</output>

<gadget id="calculator">28.5 + 15.45</gadget>
<output>43.95</output>

<result>43.95</result>