The grain store shipped 500 bags of flour, which was 20% less than rice. How many bags more rice than flour?
粮店运来面粉500袋，运来面粉比大米少20%．运来大米比面粉多多少袋？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">500 / (4/5)</gadget>
<output>625</output>

<gadget id="calculator">625 - 500</gadget>
<output>125</output>

<result>125</result>