factory can produce 1,200 tons of fertilizer a day. According to this calculation, how many tons of fertilizer should be produced in a month (30 days)?
一个工厂一天能产1200吨化肥，照这样计算，一个月(30天计)要产化肥多少吨？
<gadget id="calculator">1_200 * 30</gadget>
<output>36_000</output>

<result>36_000</result>