Li Nong Chemical Fertilizer Factory produced 840 tons of fertilizer in the first half of this year. How many tons of fertilizer does it produce per month on average?
利农化肥厂今年上半年生产化肥840吨，平均一个月生产化肥多少吨？
<gadget id="calculator">840 / 6</gadget>
<output>140</output>

<result>140</result>