The power plant used 175 tons of coal in June, saving 25 tons compared to May. How much is the saving?
发电厂六月份用煤175吨，比五月份节约25吨，节约了百分之几？
<gadget id="calculator">175 + 25</gadget>
<output>200</output>

<gadget id="calculator">25 / 200</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">(1/8) * 1</gadget>
<output>1/8 = around 0.125</output>

<result>1/8 = around 0.125</result>