There are some solutions with a concentration of 60%. After adding a certain amount of water, it is diluted to a solution with a concentration of 48%. If the same amount of water is added, what will be the concentration?
有浓度为60%的溶液若干，加了一定数量的水后稀释成浓度为48%的溶液，如果再加入同样多的水，浓度将变成多少？
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

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

<gadget id="calculator">48 / 100</gadget>
<output>12/25 = around 0.48</output>

<gadget id="calculator">(3/5) / (12/25)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">(5/4) - 1</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(5/4) + (1/4)</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">(3/5) / (3/2)</gadget>
<output>2/5 = around 0.4</output>

<result>2/5 = around 0.4</result>