The factory used 35 tons of coal last month, saving 5 tons compared to the plan. What percentage of the actual coal consumption is the plan?
工厂上月用煤35吨，比计划节约5吨，实际用煤量是计划的百分之几？
<gadget id="calculator">35 + 5</gadget>
<output>40</output>

<gadget id="calculator">35 / 40</gadget>
<output>7/8 = around 0.875</output>

<result>7/8 = around 0.875</result>