The store shipped 60 bags of rice and 60 bags of flour each, each bag of rice weighed 30 kilograms, and each bag of flour weighed 25 kilograms. How many kilograms of rice and flour were shipped in total?
商店运来大米和面米各60袋，每袋大米重30千克，每袋面粉重25千克，运来的大米和面粉一共多少千克？
<gadget id="calculator">30 + 25</gadget>
<output>55</output>

<gadget id="calculator">55 * 60</gadget>
<output>3_300</output>

<result>3_300</result>