After adding a certain amount of water to a medicinal solution containing 30% pesticides, the medicinal solution contains 24% of the pesticide. If the same amount of water is added, what is the percentage of the medicinal solution.
将含农药30%的药液，加入一定量的水以后，药液含药24%，如果再加入同样多的水，药液含药的百分比是多少．
<gadget id="calculator">19 - 14</gadget>
<output>5</output>

<gadget id="calculator">19 + 5 + 6</gadget>
<output>30</output>

<gadget id="calculator">6 / 30</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>