The bicycle factory needs to produce 80 bicycles, 50 have already been produced, and the remaining 6 bicycles are produced every day, how many days will it take?
自行车厂要生产80辆自行车，已经生产了50辆，剩下的每天生产6辆，还需要多少天？
<gadget id="calculator">80 - 50</gadget>
<output>30</output>

<gadget id="calculator">30 / 6</gadget>
<output>5</output>

<result>5</result>