The cafeteria bought 25 bags of flour and 25 bags of rice each. Each bag of flour was 25 kilograms, and each bag of rice was 50 kilograms. How many kilograms less flour than rice? (answered in two different ways)
食堂买来面粉和大米各25袋，面粉每袋25千克，大米每袋50千克，面粉比大米少多少千克？(用两种不同的方法解答)
<gadget id="calculator">25 * 50</gadget>
<output>1_250</output>

<gadget id="calculator">25 * 25</gadget>
<output>625</output>

<gadget id="calculator">1_250 - 625</gadget>
<output>625</output>

<result>625</result>