The machinery factory needs to produce 1,500 parts. It has been produced for 5 days, and the average production is 140 per day. If the remaining parts are produced 80 per day, how many days will it be produced?
机械厂要生产1500个零件，已经生产了5天，平均每天生产140个，剩下的如果每天生产80个，还要生产几天？
<gadget id="calculator">140 * 5</gadget>
<output>700</output>

<gadget id="calculator">1_500 - 700</gadget>
<output>800</output>

<gadget id="calculator">800 / 80</gadget>
<output>10</output>

<result>10</result>