The grain store shipped 200 bags of rice and 200 bags of flour each, 25 kg of flour and 50 kg of rice. How many kilograms of rice and flour are shipped together?
粮店运来大米和面粉各200袋，面粉每袋25千克，大米每袋50千克．运来的大米和面粉共多少千克？
<gadget id="calculator">50 + 25</gadget>
<output>75</output>

<gadget id="calculator">75 * 200</gadget>
<output>15_000</output>

<result>15_000</result>