A clothing store sold two sweaters one day, both priced at 234 yuan, one of which was sold at a price increase of 30% on the cost basis; the other was sold at a 10% discount on the cost basis because the style was a bit outdated , put the two sweaters together, how much money does the shop owner make?
一个服装店某天卖出两件毛衣，售价都是234元，其中一件是在成本基础上加价30%出售；另一件由于款式有些陈旧，店主在成本基础上减价10%处理销售，两件毛衣合在一起，店主共赚了多少钱？
<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">234 / (13/10)</gadget>
<output>180</output>

<gadget id="calculator">234 - 180</gadget>
<output>54</output>

<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">234 / (9/10)</gadget>
<output>260</output>

<gadget id="calculator">260 - 234</gadget>
<output>26</output>

<gadget id="calculator">54 - 26</gadget>
<output>28</output>

<result>28</result>