The cost of the two kinds of clothing A and B coming in from Dosi Clothing Store is 300 yuan in total. Type A clothing is priced at 25% of the profit, and Type B is priced at 20% of the profit. Later, the clothing store held promotional activities, and the two kinds of clothing were sold at 10% off the price, and the total profit was still 34.8 yuan. So, how much is the cost of type A clothing?
多思服装店进来的甲、乙两种服装成本共300元，甲种服装按25%的利润定价，乙种服装按20%的利润定价．后来服装店做促销活动，两种服装各按定价的9折出售，一共仍可获利34.8元．那么，甲种服装的成本是多少元？
<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">300 * (9/10)</gadget>
<output>270</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">300 * (1/5) * (9/10)</gadget>
<output>54</output>

<gadget id="calculator">34.8 - 270 - 54</gadget>
<output>-289.2</output>

<gadget id="calculator">300 + (-289.2)</gadget>
<output>10.8</output>

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/4) * (9/10)</gadget>
<output>9/40 = around 0.225</output>

<gadget id="calculator">(1/5) * (9/10)</gadget>
<output>9/50 = around 0.18</output>

<gadget id="calculator">(9/40) - (9/10) - (9/50)</gadget>
<output>-171/200 = around -0.855</output>

<gadget id="calculator">(9/10) + (-171/200)</gadget>
<output>9/200 = around 0.045</output>

<gadget id="calculator">10.8 / (9/200)</gadget>
<output>240</output>

<result>240</result>