The machine tool factory planned to produce 120 machine tools in September, but actually produced 144. By what percentage is the actual overproduction than planned?
机床厂九月份计划生产机床120台，实际生产了144台．实际比计划超产百分之几？
<gadget id="calculator">144 - 120</gadget>
<output>24</output>

<gadget id="calculator">24 / 120</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>