Master Wang needs to process 377 parts, and has already processed 89 parts. If the remaining parts are processed 18 parts a day, how many days will it take?
汪师傅要加工377个零件，已经加工了89个，剩下的如果每天加工18个，还要加工多少天？
<gadget id="calculator">377 - 89</gadget>
<output>288</output>

<gadget id="calculator">288 / 18</gadget>
<output>16</output>

<result>16</result>