Xiaoming's electric meter read 632 kWh last month, and this month's reading is 801 kWh. Based on the calculation of 0.45 yuan per kWh, how much should Xiaoming's family pay for electricity this month?
小明家的电表上月读数是632千瓦时，本月读数是801千瓦时．按照每千瓦时0.45元计算，小明家这个月应交电费多少元？
<gadget id="calculator">801 - 632</gadget>
<output>169</output>

<gadget id="calculator">169 * 0.45</gadget>
<output>76.05</output>

<result>76.05</result>