Lianmin Supermarket shipped 40 bags of rice and 40 bags of flour each. Rice was 25 kg per bag, and flour was 50 kg per bag. How many grams more flour was shipped than rice? (answer in two ways)
联民超市运来大米和面粉各40袋，大米没袋25千克，面粉每袋50千克，运来的面粉比大米多多少克？(用两种方法解答)
<gadget id="calculator">50 * 40</gadget>
<output>2_000</output>

<gadget id="calculator">25 * 40</gadget>
<output>1_000</output>

<gadget id="calculator">2_000 - 1_000</gadget>
<output>1_000</output>

<result>1_000</result>