To produce a batch of parts, the original plan is to produce 60 parts per day, which can be completed in 12 days. The actual efficiency is increased by 20%, how many days can it be completed?
生产一批零件，原计划每天生产60个，12天可以完成．实际效率提高20%，实际多少天可以完成？
<gadget id="calculator">60 * 12</gadget>
<output>720</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">60 * (1/5)</gadget>
<output>12</output>

<gadget id="calculator">60 + 12</gadget>
<output>72</output>

<gadget id="calculator">720 / 72</gadget>
<output>10</output>

<result>10</result>