The cafeteria bought 7 bags of rice and 7 bags of flour, weighing 525 kg in total. Each bag of rice weighs 50 kg, how many kg does each bag of flour weigh?
食堂买来大米和面粉各7袋，共重525千克．大米每袋重50千克，面粉每袋重多少千克？
<gadget id="calculator">7 * 50</gadget>
<output>350</output>

<gadget id="calculator">525 - 350</gadget>
<output>175</output>

<gadget id="calculator">175 / 7</gadget>
<output>25</output>

<result>25</result>