Xiaohong’s family paid a total of 45 yuan for electricity last month. There are 3 people in the family. If each kWh of electricity is 0.5 yuan, how much electricity did Xiaohong’s family spend on average per person last month?
小红家上个月共付电费45元，家里共有3口人，如果每度电0.5元，请问小红红家上个月平均每人用多少度电？
<gadget id="calculator">45 / 3 / 0.5</gadget>
<output>30</output>

<result>30</result>