suit of clothes costs 268 yuan, which is twice the price of a shirt. A pair of shoes is 30 yuan more expensive than this shirt. How much is a pair of shoes? (column comprehensive formula calculation)
一套衣服售价268元，是一件衬衣价格的2倍，一双鞋子比这件衬衣贵30元，一双鞋子多少元？(列综合算式计算)
<gadget id="calculator">268 / 2</gadget>
<output>134</output>

<gadget id="calculator">134 + 30</gadget>
<output>164</output>

<result>164</result>