A machinery factory used 68 tons of steel in May, saving 14 tons compared to the original plan. What percentage was the saving?
某机器厂五月份用去钢材68吨，比原计划节约14吨，节约了百分之几？
<gadget id="calculator">68 + 14</gadget>
<output>82</output>

<gadget id="calculator">14 / 82</gadget>
<output>7/41 = around 0.170732</output>

<result>7/41 = around 0.170732</result>