The machinery factory needs to produce 6,000 parts. It has been produced for 12 days, and 180 parts are produced every day. The rest needs to be completed in 15 days. How many parts can be produced every day to complete the remaining parts on time.
机械工厂要生产6000个零件，已经生产了12天，每天生产180个，剩下的要求15天完成，则剩下的每天生产多少个零件才能按时完成．
<gadget id="calculator">180 * 12</gadget>
<output>2_160</output>

<gadget id="calculator">6_000 - 2_160</gadget>
<output>3_840</output>

<gadget id="calculator">3_840 / 15</gadget>
<output>256</output>

<result>256</result>