To take pesticides from the warehouse, 900 kg was taken out for the first time, 12.5% more than the second time, and 12.5% less than the second time for the third time. How many kilograms of pesticides were taken out three times?
从仓库取农药，第一次取出900千克，比第二次取出的多12.5%，第三次比第二次少取12.5%．三次一共取出农药多少千克？
<gadget id="calculator">12.5 / 100</gadget>
<output>0.125</output>

<gadget id="calculator">1 + 0.125</gadget>
<output>1.125</output>

<gadget id="calculator">900 / 1.125</gadget>
<output>800</output>

<gadget id="calculator">1 - 0.125</gadget>
<output>0.875</output>

<gadget id="calculator">800 * 0.875</gadget>
<output>700</output>

<gadget id="calculator">900 + 800 + 700</gadget>
<output>2_400</output>

<result>2_400</result>