The canteen shipped 3 bags of flour and 3 bags of rice. 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?
食堂运来面粉和大米各3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">25 * 3</gadget>
<output>75</output>

<gadget id="calculator">50 * 3</gadget>
<output>150</output>

<gadget id="calculator">75 + 150</gadget>
<output>225</output>

<result>225</result>