The cement factory wants to produce a batch of cement. The original plan is to produce 0.65 tons per day, and the task will be completed in 10 days. Now 2.18 tons have been produced, if the rest produce 0.96 tons per day, how many days will it take?
水泥厂要生产一批水泥，原计划每天生产0.65吨，10天完成任务．现在已经生产了2.18吨，其余的如果每天生产0.96吨，还需要几天？
<gadget id="calculator">0.65 * 10</gadget>
<output>6.5</output>

<gadget id="calculator">6.5 - 2.18</gadget>
<output>4.32</output>

<gadget id="calculator">4.32 / 0.48</gadget>
<output>9</output>

<result>9</result>