A grain processing factory needs to grind 24 tons of flour, and it takes 4 hours to grind 8 tons. According to this calculation, how many hours will it take to grind the remaining flour?
一个粮食加工厂要磨面粉24吨，4小时磨了8吨，照这样计算，磨完剩下的面粉还要多少小时？
<gadget id="calculator">24 - 8</gadget>
<output>16</output>

<gadget id="calculator">8 / 4</gadget>
<output>2</output>

<gadget id="calculator">16 / 2</gadget>
<output>8</output>

<result>8</result>