The actual coal burning of thermal power plants saves 50 tons of coal compared with the planned coal burning. The actual coal burning is 950 tons, what percentage is saved compared to the plan?
火电厂实际烧煤比计划烧煤节约50吨．实际烧煤950吨，比计划节约百分之几？
<gadget id="calculator">950 + 50</gadget>
<output>1_000</output>

<gadget id="calculator">50 / 1_000</gadget>
<output>1/20 = around 0.05</output>

<result>1/20 = around 0.05</result>