There are 200 kilograms of rice in the cafeteria, and each bag is 25 kilograms. After using some, there are 50 kilograms left. How many bags are used?
食堂有200千克大米，每袋25千克，用去一些后，还剩50千克，用去多少袋？
<gadget id="calculator">200 - 50</gadget>
<output>150</output>

<gadget id="calculator">150 / 25</gadget>
<output>6</output>

<result>6</result>