The store transports 40 bags of rice and 40 bags of flour, each bag of rice is 100 kilograms, and each bag of flour is 25 kilograms. How many kilograms more rice is shipped than flour?
商店运进大米、面粉各40袋，每袋大米100千克，每袋面粉25千克，运进的大米比面粉多多少千克？
<gadget id="calculator">100 - 25</gadget>
<output>75</output>

<gadget id="calculator">75 * 40</gadget>
<output>3_000</output>

<result>3_000</result>