Lele Clothing Company has purchased a batch of children's clothing and priced it at a profit of 40%. After 90% of this batch of clothing has been sold, the rest of the children's clothing will be sold at 50% off the price. After the batch of children's clothing is sold out What is the actual profit percentage?
乐乐服装公司进了一批儿童服装，按40%的利润定价，当销售出这批服装的90%以后，剩下的儿童服装全部按定价的五折销售，这批儿童装全部销售完后实际可获利百分之几？
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 * (2/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 + (2/5)</gadget>
<output>7/5 = around 1.4</output>

<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">(7/5) * (9/10)</gadget>
<output>63/50 = around 1.26</output>

<gadget id="calculator">1 - (9/10)</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(7/5) * (1/10) * (1/2)</gadget>
<output>7/100 = around 0.07</output>

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

<gadget id="calculator">(7/100) - 1</gadget>
<output>-93/100 = around -0.93</output>

<gadget id="calculator">(63/50) + (-93/100)</gadget>
<output>33/100 = around 0.33</output>

<gadget id="calculator">(33/100) / 1</gadget>
<output>33/100 = around 0.33</output>

<result>33/100 = around 0.33</result>