The canteen uses 25 tons of coal in September, and saves 2 tons in October compared to September. How much is the savings in October compared to September?
食堂九月份用煤25吨，十月份比九月份节约2吨．十月份比九月份节约百分之几？
<gadget id="calculator">2 / 25</gadget>
<output>2/25 = around 0.08</output>

<result>2/25 = around 0.08</result>