city has such regulations on time-sharing electricity charges: 0.60 yuan per kilowatt-hour for electricity consumption from 8:00 to 22:00 every day, and 0.32 yuan per kilowatt-hour for electricity consumption from 22:00 to 8:00 the next day. In May, electricity consumption was 80 kWh, of which 50 kWh was used from 8:00 to 22:00, how much electricity bill should be paid by Uncle Wang’s house this month?
某市分时用电收费有这样的规定：每天8时至22时用电，每千瓦时收费0.60元，每天22时至第二天8时用电，每千瓦时收费0.32元，王大爷家5月份用电80千瓦时，其中8时至22时用电50千瓦时，王大爷家这个月应缴的电费多少元？
<gadget id="calculator">50 * 0.6</gadget>
<output>30</output>

<gadget id="calculator">80 - 50</gadget>
<output>30</output>

<gadget id="calculator">30 * 0.32</gadget>
<output>9.6</output>

<gadget id="calculator">30 + 9.6</gadget>
<output>39.6</output>

<result>39.6</result>