A fertilizer factory produces 3600 tons of fertilizer in the first quarter of the first half of the year and 4800 tons in the second quarter. How many tons of fertilizer does the fertilizer factory produce per month on average in the first half of the year?
某化肥厂上半年第一季度生产化肥3600吨，第二季度生产化肥4800吨，该化肥厂上半年平均每月生产化肥多少吨．
<gadget id="calculator">3_600 + 4_800</gadget>
<output>8_400</output>

<gadget id="calculator">8_400 / 6</gadget>
<output>1_400</output>

<result>1_400</result>