Master Wang needs to produce 78 parts, 43 have been produced, and the remaining 7 are produced every day. How many days will it take?
王师傅要生产78个零件，已生产了43个，剩下的每天生产7个，还需多少天？
<gadget id="calculator">78 - 43</gadget>
<output>35</output>

<gadget id="calculator">35 / 7</gadget>
<output>5</output>

<result>5</result>