A workshop received a task to manufacture 12,000 parts within 15 days. Later, the task increased by 28% and the daily output also increased (1/5). How many days to complete this.
某车间接到任务，要在15天制造12000个零件．后来任务增加28%日产量也提高(1/5)．这样多少天完成．
<gadget id="calculator">28 / 100</gadget>
<output>7/25 = around 0.28</output>

<gadget id="calculator">12_000 * (7/25)</gadget>
<output>3_360</output>

<gadget id="calculator">12_000 + 3_360</gadget>
<output>15_360</output>

<gadget id="calculator">12_000 / 15</gadget>
<output>800</output>

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

<gadget id="calculator">800 * (1/5)</gadget>
<output>160</output>

<gadget id="calculator">800 + 160</gadget>
<output>960</output>

<gadget id="calculator">15_360 / 960</gadget>
<output>16</output>

<result>16</result>