Jinguang Electronics Factory needs to produce a batch of parts. The original plan is to produce 180 parts per day, which will be completed in 12 days. The actual production efficiency is 120% of the original plan, how many days can actually be completed? (proportional solution)
金光电子厂要生产一批零件，原计划每天生产180个，12天完成．实际的生产效率是原计划的120%，实际多少天可以完成？(比例解)
<gadget id="calculator">180 * 12</gadget>
<output>2_160</output>

<gadget id="calculator">120 / 100</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">180 * (6/5)</gadget>
<output>216</output>

<gadget id="calculator">2_160 / 216</gadget>
<output>10</output>

<result>10</result>