A children's top is 68 yuan, which is 12 yuan cheaper than trousers, and a pair of shoes is 18 yuan more expensive than trousers. How much are these shoes?
一件儿童上衣68元，比裤子便宜12元，一双鞋又比裤子贵18元，这双鞋多少元？
<gadget id="calculator">68 + 12 + 18</gadget>
<output>98</output>

<result>98</result>