The grain store shipped 200 bags of flour and 200 bags of rice each. Each bag of flour weighs 25 kg, and each bag of rice weighs 50 kg. How many kilograms of flour and rice are shipped together?
粮店运来面粉和大米各200袋．面粉每袋重25千克，大米每袋重50千克．运来面粉和大米一共多少千克？
<gadget id="calculator">50 + 25</gadget>
<output>75</output>

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

<result>15_000</result>