The school cafeteria burned 8 tons of coal in April, and saved 2 tons in May compared with April. What percentage was the savings?
学校食堂4月份烧煤8t，5月份比4月份节约了2t，节约了百分之几？
<gadget id="calculator">2 / 8</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>