A project originally planned to cost 800,000 yuan, but actually used 600,000 yuan. What percentage was actually saved?
某工程原计划需要80万元，实际用了60万元，实际节约了百分之几？
<gadget id="calculator">80 - 60</gadget>
<output>20</output>

<gadget id="calculator">20 / 80</gadget>
<output>1/4 = around 0.25</output>

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