The chemical fertilizer factory produced 1,200 kilograms of fertilizer in September, and October was 12.5% more than September. How many kilograms were produced less in September than in October?
化肥厂九月份生产化肥1200千克，十月份比九月份多12.5%，九月份比十月份少生产多少千克？
<gadget id="calculator">12.5 / 100</gadget>
<output>0.125</output>

<gadget id="calculator">1_200 * 0.125</gadget>
<output>150</output>

<result>150</result>