The grain store shipped 500 bags of flour, and the rice shipped was 10% less than the flour. How many bags of rice are shipped?
粮店运来面粉500袋，运来大米比面粉少10%．运来大米多少袋？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">500 * (9/10)</gadget>
<output>450</output>

<result>450</result>