The actual investment in power grid reconstruction in the county was 188,000 yuan, saving 12,000 yuan compared with the original plan. What percentage did you save?
县城进行电网改造，实际投资18.8万元，比原计划节约了1.2万元．节约了百分之几？
<gadget id="calculator">18.8 + 1.2</gadget>
<output>20</output>

<gadget id="calculator">1.2 / 20</gadget>
<output>0.06</output>

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

<gadget id="calculator">0.06 * 1</gadget>
<output>0.06</output>

<result>0.06</result>