An air-conditioning factory plans to produce 48,000 air-conditioners in a year, but it actually completed 1.2 times of the annual plan 3 months ahead of schedule. How many thousands of air-conditioners does it produce per month on average?
某空调厂计划全年生产空调4.8万台，实际提前3个月就完成了全年计划的1.2倍，实际平均每月生产多少万台？
<gadget id="calculator">12 - 3</gadget>
<output>9</output>

<gadget id="calculator">1.2 / 9</gadget>
<output>0.133333</output>

<gadget id="calculator">4.8 * 0.133333</gadget>
<output>0.639998</output>

<result>0.639998</result>