A factory expanded its workshop with an investment of 188,000 yuan, saving 12,000 yuan compared to the plan. What percentage was the actual saving compared to the plan?
某工厂扩建厂房，投资18.8万元，比计划节约1.2万元．实际比计划节约百分之几？
<gadget id="calculator">18.8 + 1.2</gadget>
<output>20</output>

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

<result>0.06</result>