Master Wang plans to process 1,370 parts. He has been processing for 5 days, with an average of 130 parts per day, and the remaining 180 parts per day. How many days can it be completed?
王师傅计划加工1370个零件，已经加工了5天，平均每天加工130个，剩下的每天加工180个，几天可以完成？
<gadget id="calculator">130 * 5</gadget>
<output>650</output>

<gadget id="calculator">1_370 - 650</gadget>
<output>720</output>

<gadget id="calculator">720 / 180</gadget>
<output>4</output>

<result>4</result>