1000 kilograms of green vegetables, its water content measured in the morning is 97%, and its water content measured in the afternoon is 95%, then how many kilograms are the weight of these vegetables reduced?
1000千克青菜，早晨测得它的含水率是97%，下午测得它的含水率是95%，那么这些菜重量减少了多少千克．
<gadget id="calculator">97 / 100</gadget>
<output>97/100 = around 0.97</output>

<gadget id="calculator">1 - (97/100)</gadget>
<output>3/100 = around 0.03</output>

<gadget id="calculator">95 / 100</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">1 - (19/20)</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">(3/100) / (1/20)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1_000 * (3/5)</gadget>
<output>600</output>

<gadget id="calculator">1_000 - 600</gadget>
<output>400</output>

<result>400</result>