The flour in the warehouse is 450 kg more than the rice, and the quality of the flour is 30 kg more than three times that of the rice. How many kilograms does the flour weigh?
仓库面粉比大米多450千克，面粉质量比大米的3倍多30千克．面粉重多少千克？
<gadget id="calculator">450 * 3</gadget>
<output>1_350</output>

<gadget id="calculator">1_350 - 30</gadget>
<output>1_320</output>

<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">1_320 / 2</gadget>
<output>660</output>

<result>660</result>