There is a batch of rice in the cafeteria, each bag is 25 kilograms. After 6 bags are used, there are still 50 kilograms left. How many kilograms of rice are there in this cafeteria?
食堂有一批大米，每袋25千克，用去6袋以后，还剩50千克，这个食堂原来有大米多少千克？
<gadget id="calculator">25 * 6</gadget>
<output>150</output>

<gadget id="calculator">150 + 50</gadget>
<output>200</output>

<result>200</result>