A certain oil refinery refines 720 tons of oil in 12 days. According to this calculation, how many tons of oil can be refined this month?
某炼油厂12天共炼油720吨，照这样计算，这个月可以炼油多少吨？
<gadget id="calculator">720 / 12</gadget>
<output>60</output>

<gadget id="calculator">60 * 30</gadget>
<output>1_800</output>

<result>1_800</result>