Guangming Machine Tool Factory plans to produce 120 machine tools, 63 in the first workshop, and 57 in the second workshop. In fact, the two workshops completed the plan (2/3) in 4 days. According to this plan, the rest will need How many days will it take to complete?
光明机床厂，计划生产120台机床，第一车间生产63台，第二车间生产57台，实际两个车间4天就完成了计划的(2/3)，照这样计划，剩下的还需要几天才能完成？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">120 * (2/3)</gadget>
<output>80</output>

<gadget id="calculator">120 - 80</gadget>
<output>40</output>

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

<gadget id="calculator">40 / 20</gadget>
<output>2</output>

<result>2</result>