The flour mill plans to process 360.6 tons of flour, 84.3 tons per day. After several days of processing, there are still 23.4 tons left. How many days have you processed?
面粉厂计划加工面粉360.6吨，每天加工84.3吨，加工了若干天后，还剩下23.4吨，已经加工了多少天？
<gadget id="calculator">360.6 - 23.4</gadget>
<output>337.2</output>

<gadget id="calculator">337.2 / 84.3</gadget>
<output>4</output>

<result>4</result>