The school cafeteria uses 1200 kg of coal in October, and saves (1/2) in November compared with October. How many kg of coal is saved in November compared with October?
学校食堂十月份用煤1200千克，十一月份比十月份节约(1/2)，十一月份比十月份节约用煤多少千克？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1_200 * (1/2)</gadget>
<output>600</output>

<result>600</result>