There are 80 grams of sugar water with a concentration of 20%, and 60 grams of sugar water with a concentration of 48%. What is the concentration after mixing them?
有浓度为20%的糖水80克，另有浓度为48%的糖水60克，将它们混合之后的浓度是多少．
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">80 * (1/5)</gadget>
<output>16</output>

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

<gadget id="calculator">60 * (12/25)</gadget>
<output>144/5 = around 28.8</output>

<gadget id="calculator">16 + (144/5)</gadget>
<output>224/5 = around 44.8</output>

<gadget id="calculator">80 + 60</gadget>
<output>140</output>

<gadget id="calculator">(224/5) / 140</gadget>
<output>8/25 = around 0.32</output>

<result>8/25 = around 0.32</result>