Xiaoqiang's family used to use an average of 156.9 degrees of electricity per month. After using energy-saving appliances, the electricity used in the previous year can now be used for an extra 3 months. How much electricity do you use per month on average?
小强家原来平均每月用电156.9度，使用节能电器后，原来一年用的电现在可以多用3个月．现在平均每个月用电多少度？
<gadget id="calculator">156.9 * 12</gadget>
<output>1_882.8</output>

<gadget id="calculator">12 + 3</gadget>
<output>15</output>

<gadget id="calculator">1_882.8 / 15</gadget>
<output>125.52</output>

<result>125.52</result>