The grain store brought in 20 bags of rice and 20 bags of flour, each bag of rice was 30 kilograms, and each bag of flour was 25 kilograms. How many kilograms of rice and flour did they bring in?
粮店运进大米和面粉各20袋，每袋大米30千克，每袋面粉25千克，运进的大米和面粉一共多少千克？
<gadget id="calculator">20 * 30</gadget>
<output>600</output>

<gadget id="calculator">20 * 25</gadget>
<output>500</output>

<gadget id="calculator">600 + 500</gadget>
<output>1_100</output>

<result>1_100</result>