new batch of washing machines in the store is priced at a profit of 30%. After 60% of the sales are sold, they will be sold at a 20% discount. What is the percentage of actual profit from selling these washing machines?
商店新进一批洗衣机，按30%的利润定价，售出60%以后，打八折出售，销售这批洗衣机实际利润的百分数是多少？
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 + (3/10)</gadget>
<output>13/10 = around 1.3</output>

<gadget id="calculator">1 * (13/10)</gadget>
<output>13/10 = around 1.3</output>

<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(13/10) * (3/5)</gadget>
<output>39/50 = around 0.78</output>

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(13/10) * (4/5) * (2/5)</gadget>
<output>52/125 = around 0.416</output>

<gadget id="calculator">(39/50) + (52/125)</gadget>
<output>299/250 = around 1.196</output>

<gadget id="calculator">(299/250) - 1</gadget>
<output>49/250 = around 0.196</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">(49/250) * 1</gadget>
<output>49/250 = around 0.196</output>

<result>49/250 = around 0.196</result>