The time it takes for the Farm Tool Factory to produce a farm tool has been reduced from 40 minutes to 24 minutes. The task that used to take 30 days to complete now takes a few days?
农具厂生产一件农具所用的时间由40分钟减少到24分钟．原来需要30天完成的任务，现在需要几天？
<gadget id="calculator">24 / 40</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(3/5) * 30</gadget>
<output>18</output>

<result>18</result>