Chaoyang Hospital has anti-SARS peracetic acid disinfectant in two concentrations, A and B. Container A has a concentration of 20%, containing 20 kg, and container B has a concentration of 4.8%, containing 100 kg. Now pour an equal amount of water into containers A and B so that the concentrations of the two containers are the same. What percentage is the concentration of peracetic acid disinfectant in each container?
朝阳医院有甲、乙两种浓度的防"非典"过氧乙酸消毒液，甲容器的浓度是20%，有20千克，乙容器的浓度是4.8%，有100千克．现往甲、乙两容器倒入等量的水，使两容器的浓度一样，这时每个容器过氧乙酸消毒液的浓度是百分之几？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">20 * (1/5) * 100</gadget>
<output>400</output>

<gadget id="calculator">4.8 / 100</gadget>
<output>0.048</output>

<gadget id="calculator">100 * 0.048 * 20</gadget>
<output>96</output>

<gadget id="calculator">400 - 96</gadget>
<output>304</output>

<gadget id="calculator">100 * 0.048</gadget>
<output>4.8</output>

<gadget id="calculator">20 * (1/5)</gadget>
<output>4</output>

<gadget id="calculator">4.8 - 4</gadget>
<output>0.8</output>

<gadget id="calculator">304 / 0.8</gadget>
<output>380</output>

<gadget id="calculator">20 + 380</gadget>
<output>400</output>

<gadget id="calculator">(1/5) / 400</gadget>
<output>1/2_000 = around 0.0005</output>

<gadget id="calculator">20 * (1/2_000)</gadget>
<output>1/100 = around 0.01</output>

<result>1/100 = around 0.01</result>